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 voice warning. - Embedded detector sensors (which requires installation into your rear bumper). - High-tech processing,Omnidirectional detector sensor,Beautiful linetype figure. - Easy installation. 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: 10 kg. - Gross weight per No.2 carton box: 29 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 6m 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.