Buzzer Car Parking Sensor Kit Backup Radar Sound Alert Indicator Probe System 4 Sensors 22mm 12V 8 Colors Note: 1.If you are from Russian Federation, please leave afull name as the receiver name.Otherwise, you may not receiveyour items because of the regulation of your customs. Highlights:1.The parking sensor kit comes withoutretail box. 2.The photos are only for reference. The real products may look not exactly the same as the photos. If you cant accept the small difference, please confirm with us before you make order. Specification: 1. Rate Voltage: 12V 2. Operating Voltage Range: 9~16V 3. Rate Current: 20~200mA 4. Detecting distance: 0 - 2.5m 5. Ultrasonic Frequency: 40KHz 6. Working Temperature: -30~80C 7. Display Working Temperature: -20~60C Features: 1. Size of Sound Alert Indicator: 4.1cm x 1.6cm 2. Length of cable of Sound Alert Indicator: 2.5m 3. Size of main control box: 8.9 x 6 x 2.2cm 4. Weight of whole kit: 0.33kg / 0.3kg 5. 4 sensors 6. Advanced chipset for enhanced coverage and detecting 7. Detect small objects and bars