Parameter: 
1. Voltage: 9DCV-15DCV  
2. Rated voltage: 12DCV  
3. Power cost: Max 0.5W  
4. Respond distance: 0.3m-2.0m  
5. Alarm distance: 0m-2.0m  
6. Display mode: LED display  
7. Sensor diameter: 19mm  
8. Working temperature: -30~ 80 Celsius degree 
9. Sensor angle: X/Y/60 degree  
10.Alarm type: Buzzer (Bi Bi...)  
11.Alarm volume: 65dB  
12.Alarm frequency: 1.6-2.0m: 0.5 HZ(slowness)1.1-1.5m: 1 HZ(slowness); 0.6-1.0m: 3 HZ(commonly); 0-0.4m: BI---. 
Features: 
1. Easy to install.  
2. Numeral and color LED display 
3. Alarm by three-step Bibi sound 
4. Left and right obstacle indication 
5. Numeral display from 2.0m to0m