Sensor for Bus and Truck

Audible distance indication: 1) 1.50 to 0.80m Bi, Bi, Bi 2) 0.80 to 0.40m Bi, Bi, BiBi (the closer, the faster) 3) 0.40 to 0m Bi...

(solid beeping) 4) Volume: high, low, off optional Visual distance indication: 1) Distance visual alert 2) 2.5 to 0.35m: 2-digit distance numeric display 3) 0.35 to 0m: display 00 4) LED lights positioned on two sides indicating orientation of obstacles General specifications: 1) Working voltage: 10 - 15V 2) Working temperature: -30 ~ 70°C 3) Current consumption: 4) Acoustic volume: >75dB at 10cm 5) Response time: 300ms 6) Ultrasonic frequency: 40KHz 7) Radio frequency: 433MHz