Top Long Range Monitoring Reviews

3.5 inch Digital Doorbell LCD 120 Degree Eye Electronic Peephole Doorbell Color IR Camera Door Viewer Powered by 4Pcsx AAA Batteries not Included

  • Wide Angle Monitoring:Designed with 2 Mega CMOS Sensor,makes 120 degree actual viewing angle be possible.the doorbell shipped out from california or Texas so that the delivery won't takes too long!.
  • EASY TO USE:Come with parts for easy install,short press to turn on/long press to turn off.Replace the battery without dismantling the host and the Peephole,24 hours monitoring.
  • Larger Screen & Clear Image:The Door video bell adopt OV Industrial Color Image Sensor 3.5-inch LCD color screen,which ensure clear picture display.
  • Size:Door Hole Range: 14-28mm/Door thickness range: 35-100mm/Inside device size: Aprrox.120x62x20mm/Diameter (camera outdoors):Approx. 30mm.
  • Package content: 1 x Door Digital Doorbell(Outdoor Unit+Inner Unit)+3 x pair of screw+1 x metal holder!.
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EVTSCAN Latest DPA51CM44 3-Phase Monitoring Relay, Current/Voltage Monitoring Relay Phase Sequence Protector for Three-Phase System, Without Neutral, Phase Loss, 208-480VAC

  • ✈ PRODUCT NAME---Voltage Monitoring Relay.
  • Protection function: over voltage, under voltage.
  • Contact capacity: 6A 250VAC (resistivity).
  • ✈ REAL-TIME MONITORING---The voltage monitoring relay could achieve real-time monitoring of dc overvoltage and undervoltage faults, and over-voltage, under-voltage value, and action time can be adjusted.
  • ✈ MAIN FEATURES---The voltage monitoring relay is of 2 sets of normally open and normally closed contacts, 2 indicator lights indicate various working conditions, no additional auxiliary power supply is required.
  • ✈ 35MM GUIDE RAIL---With 35mm guide rail and standard modular structure, the voltage monitoring relay is easy to install, easy to operate.
  • ✈ TYPICAL APPLICATIONS---The voltage monitoring relay is typically applied in dc motor, battery,UPS power supply, dc switchgear, dc panel, industrial control system.
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Voltage Monitoring Relay DC 12V/24V/36V/48V Over-Voltage and Under-Voltage Protection Relay 35MM Guide Rail 13-17V 10-14V DC48V

  • Protection function: over voltage, under voltage.
  • Contact capacity: 6A 250VAC (resistivity).
  • REAL-TIME MONITORING---The voltage monitoring relay could achieve real-time monitoring of dc overvoltage and undervoltage faults, and over-voltage, under-voltage value, and action time can be adjusted.
  • MAIN FEATURES---The voltage monitoring relay is of 2 sets of normally open and normally closed contacts, 2 indicator lights indicate various working conditions, no additional auxiliary power supply is required.
  • 35MM GUIDE RAIL---With 35mm guide rail and standard modular structure, the voltage monitoring relay is easy to install, easy to operate.
  • TYPICAL APPLICATIONS---The voltage monitoring relay is typically applied in dc motor, battery,UPS power supply, dc switchgear, dc panel, industrial control system.
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WINTECH Door Viewer Brass UL Listed Fire Proof 180-degree with Heavy Duty Privacy Cover for 1-3/8\ to 2-4/11\ Doors, Brushed Nickel Finish US15

  • Wide Angle Monitoring:Designed with 2 Mega CMOS Sensor,makes 120 degree actual viewing angle be possible.the doorbell shipped out from california or Texas so that the delivery won't takes too long!.
  • EASY TO USE:Come with parts for easy install,short press to turn on/long press to turn off.Replace the battery without dismantling the host and the Peephole,24 hours monitoring.
  • Larger Screen & Clear Image:The Door video bell adopt OV Industrial Color Image Sensor 3.5-inch LCD color screen,which ensure clear picture display.
  • Size:Door Hole Range: 14-28mm/Door thickness range: 35-100mm/Inside device size: Aprrox.120x62x20mm/Diameter (camera outdoors):Approx. 30mm.
  • Package content: 1 x Door Digital Doorbell(Outdoor Unit+Inner Unit)+3 x pair of screw+1 x metal holder!.
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Haloview RD7 Wireless Long Range Backup Camera System kit 7'' 720P HD Digital Monitor Built in DVR Rear View Observation Reverse Camera for Truck/Trailer/Bus/RV/Pickups/Camper

  • 7" LCD digital monitor, Built-in recorder. Real time recording, video playback.
  • Integrated Frequency Hopping Technology avoid Interference. No signal dropping or freezing at speeds up to 70mph.
  • 10-32V wide voltage input, Support 4 wireless camera input,130° wide viewing angle, Wireless Line of Sight Range Up to 1200 feet.
  • Wireless rear view monitoring system with external range extender, getting rid of any obstacle with enhanced signal range up to 1200ft, RD7 is primarily designed for long length vehicles, such as RV, Fifth Wheel, Travel Trailer, Motorhome and Camper, etc..
  • You can mount the camera on everything equipped with a power port and that runs on 10V-32V. The wireless rear view monitoring system comes with an external extension cable and TX-box, this enables it to reach the longest distance possible..
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Wireless Bridge Point-to-Point Long Range Wireless Access with 20DBi High-Gain Antenna, 2.4G WiFi Bridge Supports 1640 feet Outdoor Transmission Distance, Used for Video Surveillance

  • Wireless Bridge Point-to-Point uses wireless communication technology to transmit network data using air as a medium to carry out long-distance point-to-point or point-to-multi point interconnection. It can extend the network to another building, and it can also extend your monitoring range..
  • Wireless bridge transmission and reception is automatic networking, no need for you to perform tedious configuration operations. Support point-to-point, point-to-multi point, transmission/receiver flexible switching. Operating in the 902MHz-928MHz frequency band, with strong penetration and diffraction capabilities..
  • Wireless Ethernet bridge is transmitted by infrared has excellent performance. Indoor use can achieve signal transmission through 4 walls, with a transmission distance of 492 feet. Outdoor use can achieve long-distance transmission up to 1640 feet. Suitable for inconvenient long-distance layout of network cables, ideal for farms, wharf, garden, car park, etc..
  • Connect one of the wireless bridges to the IP camera and the other to your computer for long distance monitoring without the need for long distance wiring or additional routers. Make long-distance wireless coverage, data transmission and wireless monitoring easy and professional. It meets many sc....
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KapscoMoto 2 Way Motorcycle Alarm Pager Remote Engine Start Compatible with Harley Davidson Street Glide

  • THIS ALARM HAS THE MOST FEATURES ON THE MARKET !!.
  • Two way range over 3500 meters - Super long range monitoring.
  • Manual and Timer Controlled Remote Engine Starter.
  • Brand: Kapsco Moto� | UNIVERSAL: WILL FIT ALL MOTORCYCLES !!.
  • Compatible with Harley Davidson Street Glide.
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Anleon S2 Wireless Stereo in Ear Monitor System for Recording Studio Stage Audio Monitoring 561-568Mhz (1 Transmitter 3 receivers)

  • UHF frequency range with 6 selectable channels（561-568MHZ）.
  • One transmitter can be operated with multiple receivers within the operating range.
  • Complex anti-interference circuit for using 6 sets at the same time without mutual.
  • For recording studio and on stage monitoring.
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LAIZESKE W1000H Wireless Transmitter Receiver HDMI Video Transmission System 1000FT Transmission Range 0.08S Low Latency Full Duplex Intercom Live Streaming

  • 【HDMI 1080P 60HZ】HDMI input and output on TX.
  • dual HDMI output on RX. The resolution supports 1080P60,1080i60 and under 1080P60 format, provide a higher quality image..
  • 【Long Rang, Low Latency】The W1000S has more than 1000ft hassle-free and reliable range for wireless video and audio transmission.
  • 0.08S achievable latency for real-time monitoring that enables..
  • 【One Device Dual Uses】More flexible and costs-effective, the transmitter can be switched as a receiver at will fulfill multiple use cases. Allows you have up to four receivers bound to one transmitter..
  • 【APP Monitoring】Supports both Android and IOS system APP monitoring, up to 4 phones or tablets real-time monitoring with professional monitor features. IOS users can search “ LAIZESKE” on APP store to get APP (name: MMonitor). Android APP (name: Feelworld Wireless ) can be downloaded in the "Download" section of the W1000S details page or scan the QR code to download..
  • 【13 Frequency Channels】Automatically scan the current environment avoid the channels with interference. Make the shooting screen more stable. 【Package Include】1× Transmitter, 1× Receiver, 5× Antenna, 1× Cold Shoe, 1× Type-C to USB, 1× User Manaul.
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SVPRO 1080P Night Vision USB Camera CMOS OV2710 IR LED Infrared Webcam with IR Cut HD Surceillance Camera 3.6mm Lens Mini Cam with Metal Casing for Android Windows Linux Mac Raspberry

  • ...r high levevl video system and delivery decent and smooth image quality while catching moving objects..
  • 【Wide Applications】This night vision USB camera provides excellent day & night image quality and connects easily, highly recommend this HD surceillance camera for security uses, home surveillance systems, baby monitoring, keep an eye on personal property, animals monitoring, car parking monitoring, street monitoring or industrial machine monitoring ect..
  • 【Metal Housing with USB Cable】2 Megapixel Min Cam with metal casing which is substantial and durable,with 3 meter long 2.0 USB cable camera for wider use range.
  • 【High Compatiable UVC & OTG Support】Night vision usb webcam with USB port plug & play, free-drive. Compatiable with PC or LabTop Windows XP/Vista/Win7/8/10, Mac, Linux, Raspberry and Andriod systems.This USB camera works with most monitoring softwares like ISpy,ContaCam,ManyCam,Yawcam, Webcam Viewer, IP Camera Viewer ect..
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Tymate Tire Pressure Monitoring System with Solar Charge, M7-3 pro TPMS with 5 Alarm Modes, Auto Backlight ＆ Smart LCD Display, Auto Sleep Mode, with 4 External Tpms Sensor (0-87 PSI)

  • Multiple Charging Methods Tymate Tire Pressure Monitoring System M7-3 pro is Solar automatic charged, it also can be charged by the cigarette lighter when there is no sun. Help you focus on driving. NOTE: After the first installation, please turn on the monitor first then install the sensor, and all data will be displayed after driving for 5-10 minutes. The sensor needs motion activation..
  • Five Types Of Alarms And User-set Alarm Values Tymate Tire Pressure Monitoring System M7-3 pro provides five-alarm modes (including fast leak alarm, high/low-pressure alarm, high-temperature alarm, and sensor low voltage alarm). Users can DIY set the pressure and temperature alarm values. (The pressure range that can be set is 12-87 PSI).
  • Automatically Adjust Backlight And Smart Screen Color Change Tymate Tire Pressure Monitoring System M7-3 pro can automatically adjust the display backlight according to the strong and weak light environment to help clearly reading. In different states, the display will show different colors: blue when charging and working / red when alert/ gray when standby or static..
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YoLink Outdoor Contact Sensor, LoRa 1/4 Mile World's Longest Range Smart Door Sensor, Universal Contact Sensor, Alexa, IFTTT, IP63 Waterproof for Indoor/Outdoor, App Notifications - Hub Required

  • Smart Door, Gate and Window Monitoring: Know the open/closed status of your doors, gates and windows with the convenient YoLink app. Be informed immediately when opened during specific times, as well as when left open too long.
  • Smart Contact Closure Monitoring: Utilize the included wired magnetic contacts, or connect the sensor to any relay or device with normally-closed dry (no-voltage) contact closure. Devices will be displayed on the app as open or closed..
  • World's Longest Wireless Range: Powered by LoRa technology, the long-range yet low-power system offers the industry's longest receiving range in the market (1/4 mile). Our long-range coverage enables its use in areas challenging for most residential Wi-Fi systems, such as basements, outdoor porch/patio areas, sheds, free-standing garages, even remote outbuildings on your property..
  • Early-Warning Notifications - Receive real-time early-warning notifications in the form of smartphone banner alerts, limited SMS/text messages, and emails, each optional and configured per your needs.
  • Please note: YoLink Contact Sensor does not alarm or chime, it only sends notifications.
  • For an audible alarm, consider our Siren Alarm.
  • Low-Power Means Longer Battery Life: Because of the low power consumption, device bat....
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Refrigerator Temperature Sensor Replacement Part WR55X10025 4-Pack

  • World's Longest Wireless Range - Powered by LoRa technology, the long-range yet low-power system offers the industry’s longest receiving range in....
  • Environment Monitoring – Be informed of the current temperature and humidity of critical equipment and rooms, as well as receive instant....
  • Low-Power Means Longer Battery Life - Because of the low power consumption, device batteries may last 2 years or more (depending on application and....
  • YoLink Hub Required but not included - YoLink Hub is the only central controller for YoLink devices, and it connects YoLink devices to the internet....
  • Team Me Up! – Pair your sensor with a YoLink Siren Alarm for immediate attention-getting alarms. Team your sensor up with one or more YoLink Smart....
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