Features:
- 4 sensors ( 2.5m ) backup parking system, double CPU and advanced chip for enhanced coverage and detection
- Red, yellow, green 3 color LED display ( 3m ), 7 segment LED lights indicate obstacle distance
- Bi, Bi Bi. Hum alarm prompts step by step, the closer the obstacles, the louder and faster the sound alert
- Detective range: 0.3m to 1.8m, accurately display obstacle distance
- The appearance of sensor and body of vehicle is a perfect match, just like original binding accessories
- Abnormal state sensor self-checking and prompt function, to avoid the back-draft collision caused by sensor damage
- Humanity design, anti-freeze and rain proof, easy to install with hole saw

Specifications:
- Rated voltage: DC12V
- Operating range: 9 - 18V
- Working current: 20 - 200mA
- Operating temperature: -30 - 80 Deg.C
- Ultrasonic frequency: 40KHz Product weight: 0.3200 kg
Package weight: 0.5600 kg
Package Size(L x W x H): 24.30 x 17.50 x 5.40 cm / 9.57 x 6.89 x 2.13 inches Package Contents: 1 x Main Control Box, 1 x LCD Display, 4 x Parking Sensor, 1 x Power Cable, 1 x Hole Saw ( 22.5MM ), 1 x English User Manual, 2 x Sticker