Highlights1. System detecting obstacle using Ultrasonic Wave Echolocation Technology 2. Wired LCD Digital Display with Built-in Audible/Voice Alert also (Beeper). 3. Beeping faster if closer to obstacle and continuously if within 0.3m from the obstacle 4. Designed for cars, suvs, 4x4s, vans, pickups, trucks, RVs, Trailers, and Buses. 5. Sensor Detection Range: 0.3m - 2.7mInstruction:1. Rated voltage: DC12V2. Operating range: DC10V~15V3. Power: 4W4. Detecting distance: 2.7M~0.3M5. Detecting angle: H>60 degree, V>60 degree6. Microphone sensitivity: >=73dB7. Speaker power: 8 ohm, 0.5WPackage contents:2 x Ultrasonic Sensor1 x Control Box/Unit1 x LCD display1 x Power cable1 x Drill /Hole Saw1 x User manual
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