* The Parking Sensor will automatically open when the car into the reverse gear, detection range: 0.2-2.5M, all-round detection. Ultrasonic frequency: 40 1kHz * Bi-Bi alarm, left and right obstacle identification, digital band display, obstacle distance digital display * Microcomputer intelligent control, dual-core processing system, probe self-test function. Super anti-electromagnetic interference, durable, and the original electronic system without any impact Highlights: 1. This LCD parking sensor alarms by Be-Be sound. 2. The LCD parking sensor kit is NOT packaged in gift box.. Specifications: 1. Rate Voltage: 12V 2. Operating Voltage Range: 9~16V 3. Rate Current: 20~200mA 4. Detecting distance: 0.2 - 2.5m 5. Ultrasonic Frequency: 40KHz 6. Working Temperature: -30~80C 7. Display Working Temperature: -20~60C Features: 1. Size of LCD display: 72 x 50 mm 2. Length of cable of LCD display: 6m 3. Size of main control box: 8.9 x 6 x 2.2cm 4. Weight of whole kit: 418g 5. 4 sensors 6. Advanced chipset for enhanced coverage and detecting 7. LCD display: digital and showing obstacle distance 8. Detect small objects and bars 9. Enable you to prevent dangerous and costly collisions 10. Provide increased safety for passengers, pedestrians and family members who happen to be around the moving vehicle. Package Content : 1 x Main Control Box 1 x LCD Display 4 x Parking Sensors 1 x Power Cable 1 x Hole Saw 2 x Double Sided Adhesive Pad 1 x User manual