Features: 1) Rear sensors is activated when reverse gear is engaged. 2) Bionic detecting-head design to measure accurately, quality guarantee 3) Available for 2-4 sensors of embed or adhesive, many colors 4) Many camcorder models for selection 5) Displays the obstacle behind the car on the front mirror 6) Indicating different distance, direction separately by voice (voice box or buzzer ) Technical data: 1) Working voltage: DC12V±2V 2) Max. power: <5W 3) Working temperature: -20 ~ 50oC 4) Display distance: ≤1.8m 5) Alarm distance: ≤1.5m 6) Alarm loudness: ≥50dB Outer packing: 10pcs/ctn Carton dimensions: 34 x 21.5 x 39.5cm Price Condition FOB Guangzhou Origin China Packaging 10pcs/carton Package Size 34 x 21.5 x 39.5 Centimeters Delivery lead time 10-45 days against payment, it depends on quantities. Minimum order 300 sets Supply ability 30000sets/month