Car parking reversing radar system with backlight 4 dark blue sensors Characteristics: Digital LED display with BiBi sound reminder. 4-sensor system, dual processor and advanced chipset for increased range and detection. Be beneficial to prevent dangerous and costly collisions. Help provide greater safety for passengers, passers-by and family members in the vicinity of a moving vehicle. Also detect small children and low walls. Resistant to freezing and rain. Easy to install and use. With drill head, convenient to drill a hole. Technical data: Sensor color: dark blue Rated voltage: DC12V Working voltage range: 9-16V Rate current: 20mA-200mA Detection distance: 0-2.5m Ultrasonic frequency: 40KHz Control module working temperature: -30 - 70 degrees Celsius; Display working temperature: -20 - 60 Celsius; Sensor Size (H * D): 1.9 * 2.5cm / 0.75 * 0.98in LED Display Size: 9.9 * 2 * 2.6cm / 3.9 * 0.79 * 1.02in Main control box size: 10.5 * 6 * 2.3cm / 4.13 * 2.36 * 0.91in Display weight: 89g / 3.15oz Main Control Box Weight: 63 g / 2.22 oz Product weight: 355g / 12.52oz Package includes: 1 * main control box 1 * LCD display indicator; 4 * sensors with 2M line 1 * Hole saw 1 * power cable; 2 * double-sided sticker 1 * User Manual No-AGO-11444962362