Buzzer Sensor 8 Sensors alarm alert Buzzle BeBe load Car Parking Sensor Kit 22mm 12V Reverse Assistance Backup System Only BIBI sound,No any language Highlights: This best price without retail color box. And The parking sensor kit comes without retail box. If you need retail box, the weight is more heavy, and the UNIT PRICE (include freight charge) will add more. Kindly hope you can understand it. Specification: 1. Rate Voltage: 12V 2. Operating Voltage Range: 9~16V 3. Rate Current: 20~200mA 4. Detecting distance: 0 - 2.5m 5. Ultrasonic Frequency: 40KHz 6. Working Temperature: -30~80C 7. Display Working Temperature: -20~60C Features: 1. buzzer type 2. Size of main control box: 9.9 x 7.3 x 3.1cm 3. Weight of whole kit: 0.8kg 4. 8 parking sensors 5. 7 colors optionalBlack/Blue/Champagne/Gold/Gray/Red/Silver/White/Yellow 6. Advanced chipset for enhanced coverage and detecting 7. Enable you to prevent dangerous and costly collisions 8. Provide increased safety for passengers, pedestrians and family members who happen to be around the moving vehicle. Package including:(without the retail box,tks for your well understanding!tks a lot!) 1 x main control box 1 buzzer 4 extension cables 8 parking sensors 1 x Power Cord 1 x drill 2 x Double Sided Adhesive Pads 1 x User Manual