Features - Automatically engages as soon as you brake your car or place your car into reverse. - Show distance by LED lamp/LED display,bi.bi. buzzer warning. - Embedded detector sensors (which requires installation into your rear bumper). - High-tech processing,Omnidirectional detector sensor,Beautiful linetype figure. - Easy installation. - No need to run a wire from the front of the vehicle to the rear. Just connect the sensors and control box at the back of the vehicle. And mount the display unit at the front - all it needs is a 12V power supply! Packing Details - Color box size : 34x24x5.5 cm. - Carton box size: - No.1(10 color box per carton box) : 60x36x27 cm( 0.058 CBM ). - No.2(30 color box per carton box) : 73x58x36 cm( 0.152 CBM ). - Gross weight per No.1 carton box: 8 kg. - Gross weight per No.2 carton box: 23 kg. What's in the color box ? - 1 x ECU (electronic controller unit) with 1.2m power cable. - 1 x Alarm: digital LED display with built-in buzzer and 1.2m power cable. - 2~4 x Waterproof ultrasonic sensors with 6m cable(front sensor) - 2~4 x Waterproof ultrasonic sensors with 2.5m cable(back sensor) - Accessory: 1 user's manual(English version), 1 double-sided adhesive tapes, 3 quick-on cable clips, 2 screws and 1 drill bit. Why should I order this product ? - Best Value (optimal cost vs performance ratio). - Great Looks (both product and box). - Lead-Time (5 days only). - Packaging (cheap to ship). Ordering information ? - Minimum Order Qty.: 100 pcs. - Warranty: 1 year. - Lead-time: 5 days.