Editorial Reviews:
Synopsis
Technical Parameters: 1. Rated Voltage: 12V DC 2. Operating Range: 10.5V -16V DC 3. Rated Current: 50mA? 180mA 4. Detecting Distance: 0.3 to 2.0m 5. Ultrasonic Frequency: 40KHz 6. Display Working Temperature: -30 - +70 Kid includes: Digital LED display. Centre control box.. 4 sensors,