Auto Car Parktronic LED Parking Radar With 4 Parking Sensors Backup Car Parking Radar Monitor Detector System Backlight Display Features : 4 Sensor system, double CPU and advanced chipset for enhanced coverage and detection (0-2.5m). With digital colored LED display (number & light). Help to prevent dangerous and costly collisions. Help to provide increased safety for passengers, pedestrians and family members who happen to be around the moving vehicle. Detect small children and low walls as well. Anti-freeze and rain proof. Easy to install. Specifications : Rate Voltage: 12V DC Rate Operating Range: 10.5V-16V DC Rate Current: 100mA-300mA Detecting Distance: 0.3-2.0M Ultrasonic Frequency: 40KHz Control Moudle Working Temperature: -30~ 80 Display Working Temperature: -20~ 70 Sensor Color: Black, White, Silver, Gray Screen Size: 68*23MM Hole Size: 22~22.5MM Package Including: 1 x Buzzer Display (Beeper Designed In the Display) 4 x Parking Sensors With 2.5M Line 1 x Main Control Box 1 x Hole Saw 1 x Power Cable 2 x Double Side Sticker 1 x User Manuar Note 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. To All Buyers