Product Description

A small light(dot) indicates proper functioning of the system after being activated Digital distance display of obstacle Two LED's(green/yellow/red) indicate different distances as well as orientation of the obstacle Different alert beeping intervals indicate different distances of the obstacle **4 Round Recessed Sensors CPU (Microchip) From U.S.A Rated voltage: *2V Operating voltage range:*0.5~*6v DC Rated current:*0mA ~**0mA Detection distance:0.3~1.5(m) Ultrasonic frequency:*0KHz Working temperature of control box:**0~**0 C