System parameters:
Rated voltage: 10.8V--15V
Operating temperature: -20--60
Display distance: 0.4--2m
Detecting distance: 0.1--2m
Beep volume: 70--90dB
Operating frequency: 40kHz
Sensor parameters: 4-sensor

Product functions:
Digital distance display of obstacles as well as orientation of the obstacle      
Display by digit, direction, voice separately
Three-angle sensor, Super-wide detecting    
Temperature displayed in safety  
The monitor can be installed easily    
Exchangeable sensors    
Many options of sensors, forty kinds of sensor color for selection