Top Voltage Meter With Sound Alarm Reviews

3 in 1 EMF Meter,EMF Reader,Electromagnetic Field Radiation Detector,EMF Tester for Home,EMF Detector with Sound Light Alarm,Ghost Hunting Equipmetent

  • 【Widely used】Home, office, outdoor, industrial.
  • Mobile phone, computer,TV, refrigerator high voltage line radiation detection.
  • Test the effect of protective equipment such as radiation protective clothing and radiation protective film.
  • 【3 in 1 EMF meter】One machine for three purposes, simultaneously detecting electric field, magnetic field radiation and temperature.Short press "MODE" key, the electric/magnetic field and ℃/℉ function conversion.
  • 【Alarm】 Exceeding alarm threshold (electric field: 40V/m.
  • Magnetic field: 0.4μT), the instrument will sound, light, screen display at the same time.【Alarm】 Exceeding alarm threshold (electric field: 40V/m.
  • Magnetic field: 0.4μT), the instrument will sound, light, screen display at the same time.
  • 【Hold data】The instrument reading will be locked by pressing the HOLD key, and the "H" symbol will be displayed on the screen. If there is no need to lock, press the HOLD key again.
  • 【Graphic display】LCD graphic display of radiation value trend.Radiation assessment, to remind you whether the current radi....
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DIMMAIRY Decibel Meter, Digital Sound Level Noise Meter Measurement 30-130dB Backlight MAXMIN, Data Hold Auto Power Off Dual Ranges,Black

  • ✔ 003cb003e【Higher accurate & wider frequency range】003c/b003e : Handheld Sound Level Meter calibrated to the standard source in advance by our factory, measurement 30 - 130 dB with frequency range from 31.5Hz-8.5KHz.Highly accurate with +/-1.5dB..
  • ✔ 003cb003e【Smart design】003c/b003e : Mini digital noise meter with data hold function,maximum and minimum value measurement.Temperature measurement function and temperature unit selection(℃/℉). LCD display with backlight,convenient to use at night..
  • ✔ 003cb003e【Stable and reliable】003c/b003e : LCD decibel test with stable and reliable performance.Low battery indication, automatic & manual power off function.Equipped with sponge ball for sensor protection. Red back light alarm and sound alarm function..
  • ✔ 003cb003e【Wide application】003c/b003e : Audio Noise Measure Device with alarm and digital is a great tool for checking, monitoring or controlling the sound level of any environments. Best suit for personal, families, business, studies, industrial and etc..
  • ✔ 003cb003e【What you get】 003c/b003e: 1x Sound Level Meter (battery not include ), 1x user manual, 1x Perfect package box (If you have any problem , please do not hesitate to contact us, our support team will solve your pro....
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AUTOAND Car GPS & OBD Smart Gauge HUD Head Up Display, Digital Car Inclinometer Level Tilt Gauge Speedometer MPH Compass for All Vehicles

  • ...ead-up display that combines three functions, which can read the real-time data output of ECU through the data line connection to the automobile OBD interface, and supports 9 OBD protocols. Functions display: driving speed, coolant temperature, vehicle roll and pitch angle, altitude, latitude and longitude, battery voltage, RPM speed, satellite time and positioning, compass, driving time and driving mileage..
  • [FOR SAFE DRIVING] With a HD display, the car owner can monitor the driving data in real time, the data is clear at a glance, not only can drive without bowing your head. This gauge uses the principle of light sensor, which can automatically adjust the brightness of the screen according to the changes of ambient light, allowing the car owner to focus on driving and providing a safer and more comfortable driving experience..
  • [4 IN 1 ALARM SYSTEM] With car pitch angle alarm, roll angle alarm, overspeed alarm and fatigue driving Alarm. Precisely show vehicle pitch angle and roll angle changes with clear notification, then one or both angle is over 40 degree the alarm alerts. When you exceed the speed limit, the alarm will also sound to ensure your safety, and the car owner can set the speed alarm value. Fatigue driving alarm after 4 hours of driving.....
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Handheld Sound Level Meter,LCD Decibel Meter,Mini Digital Noise Meter,Decibel Tester,Decibel Alarm,with Red Black Light Alarm and Sound Alarm,Range 30-130dBA

  • This instrument is high precision sound level meter, accuracy up to ±1.5dB,resolution: 0.1dB.Temperature measurement function and Temperature unit selection(℃/℉)..
  • Red back light alarm and sound alarm function. This digital sound level meter with stable and reliable performance.Wide measurement range from 30dB to 130dBA.There will be a alarm warning when the measurement data exceeds the standard..
  • Data hold function, maximum and minimum value measurement. LCD display with backlight, convenient to use at night..
  • Low battery indication, automatic & manual power off function. Compact and light, convenient to hold and carry..
  • Equipped with sponge ball for sensor protection. Applications includes: Environmental measurement, law enforcement, work place design, sound level analysis of machinery and engines..
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Decibel Meter Sound Level Reader 30-130dB A Hand-held Sound Noise Meter with Backlight Alarm Digital Noise Meter Decibel Monitoring Tester Calibrated Audio Noise Volume Measuring Instrument

  • Sound db meter calibrated at factory, noise measurement range from 30 - 130dBA, accuracy: ±1.5dB, resolution: 0.1dB. Disable the automatic off function, sound meter can continuously measure noise value.
  • Sound meter features backlight alarm, large LCD display, maximum/ minimum noise monitor, data hold function, auto/manual power off, disable the auto off function, sound level meter can continuously measure noise value, battery indication.
  • Decibel meter is ideal for neighbors noise complaints, job-site and noise pollution monitoring.
  • Portable sound level meter is light and compact design, easy to carry with you and operate with one-hand.
  • Noise meter comes with 3 pcs AAA batteries, a wind-proof sponge ball and user manual. The decibel meter has been adjusted properly, it can be used immediately after the battery being installed..
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Yosoo Multi-Functional 12V Car Auto LCD Digital Clock Thermometer Temperature Voltage Meter Monitor (Blue)

  • This Car Voltage Meter Clock Thermometer is a multifunctional clock with 4 in 1 function, including time, thermometer, voltmeter and backlight.It can inspect your automobile at real time effectively, there is alarm lamp to remind you to avoid icing may cause damage to your car as temperature lower freezing point. There are alarm voice and lamp to remind you to cheeking the storage battery as the voltage is excessive to too low. You can maintain your automobile by the real time data of voltage.
  • Special function : Time display (12 / 24hour), date display, dual temperature display, alarm clock, snooze function, frost alarm function, automobile storage battery voltage indicator function, LED backlight.
  • Two colors blue / green of backlight for choice when the clock is powered by car cigarette lighter, there would be no backlight when it is powered by backup batteries..
  • Alert you to your car battery's voltage and its alarm sensor notifies you of excessive or under normal voltage operations.
  • When it connects with car, its back light is light up and all the contents (including the time, temperature and volt) will be displayed on the LCD screen.
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KKmeter EMF Meter Handheld Digital LCD Electromagnetic Field Detector for Home Office

  • Two Uses of One EMF Meter: Testing the electromagnetic field Radiation and the temperature at the same time. The EMF Meter can get Measurement of Home Appliances: TV, AC, Induction cooker, rice cooker, refrigerator, computer, electrical wires, etc..
  • Safe Range: 0-0.4T or 0-4mG.when the radiation data exceeds the safe range,The EMF meter will flash red and alert the user via an alarm sound.
  • Multifunction: Data Hold & Max Measurement,sound-light alarm,backlight,manual/auto shut off,/ measurement, safe value setting, selection of MG or T, mutation function.
  • Package List: 1 x Electromagnetic Radiation Detector (EMF Meter),1 xUser Manual (English + French + German + Italy + Spanish).
  • Carefree service24 months warranty and technical support. Our after-sales technical engineers provide answers to all-day online questions ,just contact us via buyer messages, we will make it at first time.
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AUTENS AC Digital Meter AC 80-260V 100A Current Voltage Power Energy Panel Monitor (AC 100A Meter with Split Core CT)

  • MULTIFUNCTIONAL DIGITAL MULTIMETER: With a large-screen LCD display interface, it can display six parameters at the same time, including Voltage Current Active Power Energy Frequency and Power factor at the same time. Measuring Voltage range AC 80V-260V.
  • Power Factor range 0-1PF. It will be more convenient to install with a split current transformer..
  • OVERLOAD ALARM FUNCTION: Backlight and power will flash simultaneously to give an alarm if active power value exceeds the preset value. Alarm value can be set by yourself, but applied load should not exceed the rated power. This AC digital meter is suitable for indoor, please do not use outdoor..
  • POWER-OFF DATA STORAGE FUNCTION: The last test data is stored automatically when the power supply abruptly lose. No More worry about data loss due to sudden power outages. This digital meter can only measure the Active Power but not Apparent Power. If you measure power from a DC-AC inverter, please make sure it’s PURE SINE WAVE, or the meter can be burnt or melted..
  • ONE-BUTTON CONTROL: The button can be used to control the backlight, reset energy and preset power alarm limit. Short press the key to turn on or off the backli....
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Yosoo Multi-Functional 12V Car Auto LCD Digital Clock Thermometer Temperature Voltage Meter Monitor (Green)

  • 【Maintain Automobile by the Real Time Data】This Car Voltage Meter Clock Thermometer is a multifunctional clock with 4 in 1 function, including time, thermometer, voltmeter and backlight.It can inspect your automobile at real time effectively, there is alarm lamp to remind you to avoid icing may cause damage to your car as temperature lower freezing point. There are alarm voice and lamp to remind you to cheeking the storage battery as the voltage is excessive to too low. You can maintain your aut.
  • 【Special function : 】Time display (12 / 24hour), date display, dual temperature display, alarm clock, snooze function, frost alarm function, automobile storage battery voltage indicator function, LED backlight.
  • 【Blue / Green of backlight】Two colors blue / green of backlight for choice when the clock is powered by car cigarette lighter, there would be no backlight when it is powered by backup batteries..
  • 【Alert Car Battery's Voltage】Alert you to your car battery's voltage and its alarm sensor notifies you of excessive or under normal voltage operations.
  • 【Real Time Display】When it connects with car, its back light is light up and all the contents (including the time, temperature and volt) will be displayed on the LCD screen.
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Heads Up Display Digital Speedometer, ACECAR Upgrade OBD2+GPS Mode Car HUD, with Tachometer Troubleshooting Read ECU Data Display Improvement Warning Function, for All Vehicles

  • ...e for vehicles produced after 2008. GPS MODEL Perfect Suitable for All Vehicle. ( If your car is not compatible with OBD mode, please use GPS mode.) Dual System, Change free. OBDll mode is not compatible with hybrid electric vehicle, diesel car, pickup truck, RV, computer modified car. If the speedometer shows only voltage after turning on the power, please switch to GPS mode..
  • Intuitive and Easy to Understand - The analog display of the tachometer has a needle that moves to indicate memory, so you can visually recognize the engine RPM values. The digital speed readout is easy to see at a glance, so you can concentrate on driving without looking down, avoiding distractions and even accidents caused by looking down at the dashboard. Some can also display various values such as speed, boost, water and oil temperature, and voltage..
  • Fault Code Clearing - When the engine warning light in the car's meter comes on, it signals some kind of malfunction, but with the APX speedometer, you can clear the fault code by yourself without going to the repair shop..
  • Multiple Fault Alarm Function - The additional meter is equipped with nine fault alarm functions. The additional meter has 9 alarm functions: low battery voltage, high water temperature, oil temperature, RPM....
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Solar Strobe Light with Remote Controller Motion Detector Outdoor Alarm Light 129db Sound Security Siren Light IP65 Waterproof Protected for Your Home,Villa,Baren,Farm,Yard,2 Pack

  • 【4 Work modes optional you can choose】The solar alarm motion detector with sound have four mode, ①24 hours with flash and alarm②24 hours with flash but without alarm③12 hours with flash and alarm④12hours with flash but without alarm.
  • 【Sturdy made & waterproof 】IP65-rated water resistant with sturdy casing,allows your solar alarm lights outdoor siren for optimal performance year-round and in all climates..
  • 【Long lasting】After fully charged under sunlight, the solar sound alarm can work for about 30 days. No worry run out of power..
  • 【Motion Activated】Sensitive motion sensor will detect any movement within 5-8 meter and activate the sound light alarm, sound arise and strobe light on..
  • 【Easy Installation & Widely use】Please hang solar strobe alarm where get enough sunlight. The outdoor motion sensor alarm strobe light is suitable for your farm, villas, garage,yard and other places where need security alarm..
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LAFEINA 2 Pack Solar Security Alarm Lights, 129dB Gunshot Sounds & Dog Barking Sound & Light Strobe Light Warning Lamp for Outdoor Farm Barn, Villa Yard

  • 【Sensitive PIR Motion Sensor】The solar alarm motion detector sensing angle is 125°, will detect any movement within 5-8 meter and activate the sound light alarm, the sound arise and strobe light on. Siren horns with gunshots and barking dogs is 129db and bright strobe has 6 led light,can protect your farm from thief entering..
  • 【Solar Alarm Strobe Light】The solar sound alarm siren strobe light makes gunshot sounds & dog barking have 3 Work modes optional you can choose:①24 hours with flash and alarm,② Sound and flash alarming at night,③ Night cyclic flash & dog and gun sound every 5 minutes (without sensing function).
  • 【Solar/DC Charging & Long Working Time】The strobe alarm lights are solar powered and DC charging, can work for a whole day after fully charged under sunshine for 8 hours. It can be charged through DC power adapter for about 1 hour in rainy days or cloudy days..
  • 【IP55 Waterproof】Solar powered alarm light is made of ABS sturdy casing and has IP55 waterproof function. allows your solar alarm lights outdoor for optimal performance year-round and in almost all climates..
  • 【Motion Sensor Alarm Outdoor Widely Use】The solar sound & light alarm motion sensor for House, Farm, Barn, Garage, Yard, Villa, Hotels, Factories, Scho....
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Voltage Amp Meter DC DROK Battery Monitor DC 0-300V 200A Ammeter Voltmeter for Solar System Setup Power Energy Capacity Volt Current Detector Panel with Hall Sensor

  • Multifunctional Meter: DROK multimeter panel is available to measure percentage and AH of remaining capacity, DC positive and negative bidirectional....
  • Hall Sensor & Easy Mount: the voltage amperage meter is coming with a Hall transformer to for isolated measurement, reliable and safe.
  • Display: backlight can be controlled to be ON or OFF as user’s need.
  • Equipped with full angle of view LCD screen, users could see the display....
  • Alarming Function: it will alarm and flash to draw your attention when the real voltage is higher or lower than preset alarming voltage and real....
  • Wide Applications: Can be used as dc amp meter, digital volt meter, power meter, battery capacity monitor. Suitable for all kinds of batteries, such....
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