Product features:
- Three-color digital LED display with buzzer built-in   
- "BiBi" audible warning buzzer in 3 steps   
- Volume switch control   
- Detachable sensor with waterproof socket connector (optional)   
- Digital meter distance mode, feet display available   
- Directional indicator of left and right   
- 4 rear sensors for full coverage, 2~8 sensors available for front & rear detecting  - Heavy rain-proof & all weather design   
- High quality and easy to install   
- All spare parts are compatible   
- Different sensors & colors optional (stick-on & insert-in)

Technical specification:
- Rated voltage: 12V   
- Operating voltage: 10 ~ 28V DC   
- Rated current: 10mA ~ 150mA   
- Detection distance: 0.4 ~ 2.5m for rear   
                              0.4 ~ 1.2m for front   
- Ultrasonic frequency: 40KHz   
- Working temperature: -30ºC ~ +80ºC   
- Warning: 80dB   
- Display size: 79 x 28 x 20mm   
- Full-range technical support 

Packaging:
- BETOPTEK color box size: 30.5cm x 22cm x 5cm
- Carton size: 55cm x 46cm x 32cm
- 20pcs / CTN
- Gross weight: 14kgs