Top Ultrasonic Distance Sensors Reviews

EinCar 4 Parking Car Parking Sensor Reverse Backup Radar System Kit Display View Vehicle Distance Detection Backup Sensor Reversing Sensors Universal Car Auto Radar Detector Sensors Sound Warning

❆ Universal Parking Sensors: This universal car parking sensor kit consists of 4 ultrasonic sensors, digital center control box, and this car parking sensor kit comes with LED digital display shows the distance between the car and obstacle, the reverse backup radar system making the job of parking any vehicle much easier..
❆ Distance Display: This car parking sensor kit not only makes beep sound warning, but aslo shows you distance data. The reverse backup radar system beep sound warning will be more frequent when distance is getting closer. Prevent future dangerous and costly collisions. Help to increase safety for passengers, pedestrians and your family..
❆ 4 Parking Sensors: The car parking sensor kit with 4 auto detector sensors. 4 sensors are anti-freeze, waterproof, and quake-proof. The reverse backup radar system buzzer built-in the LED display, no need to connect to a separate buzzer out side..
❆ Easy to Install: The car parking sensor kit easy to install, with detailed English manual. Perfectly fit your car with universal hole saw. This reverse backup radar system with a metal drill head, convenient to drill hole on the bumper of the car..
❆ The car parking sensor kit can help you prevent future dangerous and costly collisions. And rev....

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2Pcs JSN-SR04T Integrated Ultrasonic Distance Measuring Sensor Transducer Module Waterproof

Working voltage:DC3-5.5V, Static current:5mA, Total current work: 30mA. Working range: 25cm-4M, Working frequency: 40KHZ, Detecting angle: 75 degree. The JSN-SR04T ultrasonic distance measuring module provides a measurement range of 21cm-600cm. Blind area is 20cm..
Integrated with sealed waterproof stripline probe, this sensor suitable for wet and harsh measurement occasions. Please note that the device is waterproof, but it couldn't work underwater..
Small size, easy to use, strong anti-jamming, high accuracy, low voltage and low power consumption. The module has a variety of modes that can be modified manually, suitable for testing and teaching experiments in different occasions..
Applications:It is widely used in horizontal distance ranging, obstacle avoidance, object distance measurement, car reversing sensors, security alarms, automatic control, security and industrial control, Intelligent traffic control and artificial intelligence teaching and research etc..
Package Included:2 x JSN-SR04T Ultrasonic Distance Measuring Transducer Sensor Waterproof.

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Solar Ultrasonic Animal Repeller, Outdoor 360° Animal Deterrent Solar Dog Chaser, Ultrasonic Solar Powered Animal Repeller Waterproof Animal Repeller Protect Farm for Dog, Cat, Bird, Rabbit, Raccoon

360° SOLAR ANIMAL REPELLER⚡ This solar ultrasonic animal repeller uses the most advanced ultrasonic technology to generate powerful ultrasonic waves (13.5khz-65khz), accompanied by siren sounds and 360° intense two-color flash. The dog repellent has built-in high-sensitivity PIR motion detection sensors, which will detect intruders through infrared sensors and activate the ultrasonic system, triggering at a 360° angle and a distance range of 26-33Ft for optimal performance..
SAFE AND EASY TO USE CAT REPELLENT⚡ This ultrasonic animal repeller is easy to use and set up. Simply insert the cat deterrent for yard into sunny soil or an area frequently disturbed by animals and turn it on. Keep 5 inches off the ground in your yard, depending on the eye height of the predator you want to deter. For best results, you can place the solar squirrel repeller outdoor in different locations to improve repellency in all directions..
MULTIPLE MODES&EASY ADJUSTMENT⚡ Ultrasonic cat repeller outdoor has 4 insect repelling modes, with 360° infrared as well as ultrasonic speakers, multifunctional ultrasonic cat repellent, when the animal enters the area, the infrared sensor ....

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Outdoor Animal Repeller, 360° Ultrasonic Solar Animal Repeller, Animal Deterrent Rodent Repeller with 3-Side Motion Activated Flashing Lights,Solar Powered Dog Repellent for Cat Raccoon Rabbit Deer

360° SOLAR ANIMAL REPELLER⚡ This solar ultrasonic animal repeller uses the most advanced ultrasonic technology to generate powerful ultrasonic waves (13.5khz-65khz), accompanied by siren sounds and 360° intense two-color flash. The dog repellent has built-in high-sensitivity PIR motion detection sensors, which will detect intruders through infrared sensors and activate the ultrasonic system, triggering at a 360° angle and a distance range of 26-33Ft for optimal performance..
SAFE AND EASY TO USE CAT REPELLENT⚡ This ultrasonic animal repeller is easy to use and set up. Simply insert the cat deterrent for yard into sunny soil or an area frequently disturbed by animals and turn it on. Keep 5 inches off the ground in your yard, depending on the eye height of the predator you want to deter. For best results, you can place the solar squirrel repeller outdoor in different locations to improve repellency in all directions..
MULTIPLE MODES&EASY ADJUSTMENT⚡ Ultrasonic cat repeller outdoor has 4 insect repelling modes, with 360° infrared as well as ultrasonic speakers, multifunctional ultrasonic cat repellent, when the animal enters the area, the infrared sensor ....

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Canon EF 85mm f1.2L II USM Lens for Canon DSLR Cameras - Fixed

Ring-type UltraSonic motor (USM), Focal length : 85mm, Closest focusing distance : 3.2 feet.
EF mount, medium telephoto lens, High-speed AF and circular aperture create shallow depth-of-field.
111mm focal length for APS-H sensors, 136mm for APS-C sensors, Lens not zoomable.

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Car Reverse Parking Radar System with 8 Parking Sensors Distance Detection + LED Distance Display + Sound Warning Black Color

【High Quality Parking Radar】This Car Parking Radar System consists of 8 Ultrasonic sensors, digital control box, and LED display, making the job....
【Intuitive Display】This parking radar not only makes beep sound warning, but aslo shows you distance data. Beep sound warning will be more....
【Easy to Install】Easy to install, with full detailed English manual. Perfectly fit your car with universal hole saw. With a drill head, convenient....
【Multi Color to Select】Multi Color to Select (Black/Red/Grey/White/Fiat Red/Champagne Gold/Blue/Silver). 8 Weather Proof Sensors + LED Distance....
【Warranty Period】High Quality and 3 Year Warranty.

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2PCS TCS34725 RGB Color Sensor Module with IR Filter and White LED I2C Interface

Ultrasonic hc-sr04 distance measuring transducer sensor includes an ultrasonic transmitter, a receiver and a control circuit..
HC-SR04 consists of ultrasonic transmitter, receiver, and control circuit. When trigged it sends out a series of 40KHz ultrasonic pulses and receives echo from an object..
The distance between the unit and the object is calculated by measuring the traveling time of sound and output it as the width of a TTL pulse..
Ranging distance: 2cm~450cm: High precision: up to 0.3cm.
Input trigger pulse：10us TTL Level Working voltage：5V(DC).
Package Content: 5pcs HC-SR04 with a gift of 10 pcs female to male dupont cable.

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Tihebeyan Auto Electromagnetic Car Radar Sensor System Reverse Parking Parking Reverse Backup Radar Sensor Car Electromagnetic Parking Kit

【Improves parking safety】 --- Minimizes bumper damage. The fully incorporated installation does not affect the overall appearance. Indicates the....
【Wide Application】---Compatible with Vehicles that have a Tow Bar Fitted or Spare Wheel Fixed to Rear Door . Fits all Vehicles with a Plastic....
【Simple and concealed installation】--- Simple and concealed installation method, no cleaning, no maintenance, once installed. Comprehensive....
【No-Drill-No-Damage】---Munted without drilling the bumper, unlike ultrasonic parking sensors. 100% accurate, reliable and responsive in all....
【Adjustable Tones Alert Design】--- The 3-foot range is detected and the signal indicates the object's distance at different beeping frequencies....

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Ultrasonic Audio Recording Blocker | White Noise Generator | Powerful Microphone Suppressor Device | Prevent Voice Recording | BDA-3 (FCC, CE & ICES Compliant)

ULTRASONIC EXPOSURE + VOICE IMITATION = 100% microphone jamming.
HIGH SUPPRESSION POWER AND ACTION RANGE. This microphone blocker emits a very powerful ultrasonic signal (not less than 120 dB) which suppresses microphones at a maximum distance of 7 m (23 ft). The distance is shortened to 2 m (7 ft) for newest iPhone models with an improved noise cancelling system..
SOPHISTICATED ULTRASONIC PATTERN that is effective against newest noise-canceling and water-resistant phones. Range and effectiveness can be increased when used with one or more external ultrasonic speakers (sold separately)..
7 ULTRASONIC TRANSDUCERS that ensure protection in front and across the device. Use it as a "virtual wall" to protect yourself from recording devices..
CAN BE USED ABSOLUTELY SILENTLY but best results achieved when ultrasonic and white noise interferences are combined..

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Excelity 3pcs Ultrasonic Module HC-SR04 Distance Sensor with 3pcs Mounting Bracket

[PACKAGE INCLUDED] 3pcs HC-SR04 distance measurement module & 3pcs mounting bracket for installation.
[FEATURE] These module is for distance measuring transducer that working with ultrasonic, they consist of ultrasonic transmitter, receiver, and....
[FUNCTIONAL PARAMETER] Effectual Angle: .
Resolution : 0.3 cm. Power Supply : 5V DC.
[UNIVERSAL COMPATIBILITY] Built in standard interface that can be controlled directly by microcontroller，such as 8051, AVR.
[WORKING PRINCIPLE] Using IO trigger for at least 10us high level signal, when triggered it sends out a series of 40KHz ultrasonic pulses and receives....

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2pcs Ultrasonic Module HC-SR04 Distance Sensor with 2pcs Mounting Bracket for Arduino Uno R3 Mega 2560 Nano Raspberry Pi 3 Smart Robotics Projects

HC-SR04 Ultrasonic Sensor Distance Module:using IO trigger for at least 10us high level signal..
The Module automatically sends eight 40 kHz and detect whether there is a pulse signal back..
If the signal back,through high level,time of high output IO duration is the time from sending ultrasonic to returning.Test distance = (high level time velocity of sound (340M/S)/2..
Resolution:0.3 cm,Module precision:blind spots (2cm)-SUPER CLOSE..
The module performance is stable,measure distance accurately.SRF05,SRF02 ultrasonic ranging module comparable.This module is compatible with GH-311 anti-theft module..

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ALMOCN 6PCS HC-SR04 Ultrasonic Sensor Distance Module Measuring Ranging Sensor for Arduino

Ultrasonic hc-sr04 distance measuring transducer sensor, it consists of ultrasonic transmitter, receiver, and control circuit..
Hc-sr04 Test Distance following formula: L = 1/2 × T × C ( L is the distance, T is the time between the emission and reception, and C is the sonic speed).
Mode of connection:4 pins VCC, Trig (control side), echo (receiver), out (empty),GND.
Application:for Robot obstacle avoidance, object distance measuring, liquid level detection, public security, parking lot detection..

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DOGTEK Sonic Bird House Bark Control Outdoor/Indoor

3 built-in bark sensors and 1 XL ultrasonic loudspeaker.
4 sensitivity settings to indicate what barking level activates the unit.
Effective on most dogs within range (some dogs may not be responsive to ultrasonic correction).
Weatherproof and durable for outdoor as well as indoor use.
Operates using 6 AA batteries (not included).

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