Hign-concerned Chemical:NoneType:InvisibleBrand Name:hippcronOrigin:Mainland ChinaCertification:CETip: This product is equipped with 2 sensors. If you mind, please do not place an order. For sensors,you can paint them to create the color you want, and the sensors can be unaffected and working properly. , , Highlights: The LED display gives Be-Be- sound when alarming. Specifications: 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: -30~80degC 7. Display Working Temperature: -20~60degC 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. 2 sensors 6. Advanced chipset for enhanced coverage and detecting 7. Detect small objects and bars Package: 1 x Main Control Box 1 x Buzzer 2 x Parking Sensors with 2.5m Line 1 x Power Cable 1 x Hole Saw 2 x Double Sided Adhesive Pad 1 x User manual