Buzzer Sensor 8 Sensors alarm alert Buzzle BeBe load Car Parking Sensor Kit 22mm 12V Reverse Assistance Backup SystemOnly BIBI sound,No any languageHighlights: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: 12V2. Operating Voltage Range: 9~16V3. Rate Current: 20~200mA4. Detecting distance: 0 - 2.5m5. Ultrasonic Frequency: 40KHz6. Working Temperature: -30~80C7. Display Working Temperature: -20~60CFeatures:1. buzzer type2. Size of main control box: 9.9 x 7.3 x 3.1cm3. Weight of whole kit: 0.8kg4. 8 parking sensors5. 7 colors optionalBlack/Blue/Champagne/Gold/Gray/Red/Silver/White/Yellow6. Advanced chipset for enhanced coverage and detecting7. Enable you to prevent dangerous and costly collisions8. 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 box1 buzzer4 extension cables8 parking sensors1 x Power Cord1 x drill2 x Double Sided Adhesive Pads1 x User Manual