Detailed Product Description

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) 3.0 to 0.35m: 2-digit distance numeric display
2) 0.35 to 0m: display 00
3) Waving curves indicating orientation of obstacles

General specifications:
1) Working voltage: 10 - 15V
2) Working temperature: -30 ~ 70°C
3) Current consumption: <100mA
4) Acoustic volume: >75dB at 10cm
5) Response time: 300ms
6) Ultrasonic frequency: 40KHz