Sensors Kit Car Reverse Backup Rear LCD Display System Radar Alarm

4 Parking Sensors Kit Car Reverse Backup Rear LCD Display System Radar AlarmFeature: 1. Self-test function. 2. Detecting distance: 0-2.5m. 3. 2-side, 3 colors. 4. Insert-in and Stick on sensors for option. 5. LED digital display with BiBi sound reminder. 6. Volume switch. 7. Easy to install. 8. 4 sensor system and advance chipset for enhanced coverage and detection. 9. Help to prevent dangerous and costly collisions. 10. Help to provide increased safety for passengers, pedestrians and family members who happen to be around the moving vehicle. Specification: 1. Rated voltage: 12V 2. Operation Voltage range: 9-16V 3. Rated Current: 20-200mA 4. Detecting distance: 0-2.5m 5. Ultrasonic frequency: 40KHz 6. Working temperature: -30-+70℃ 7. Display working temperature: -20-+60℃ 8. Main control box size: About 9 * 6 * 2.3cm Package Included: 1 X Main Control Box 1 X LED Display 1 X Power Cable 1 X Hole Saw 2 X Double Side Sticker 4 X Sensors 1 X User Manual