Hign-concerned Chemical:NoneOSD Language:EnglishTalk Range:0~2.5mModel Name:Parking AssistanceType:InvisibleBrand Name:17 ODEGREEMaterial:Plastic/AluminumOrigin:Mainland ChinaCertification:NoneRate Voltage:12VOperation Voltage Range:9~16VDetecting distance:0~2.5mUltrasonic Frequency:40KHzWorking Temperature:-30~80Display Working Temperature:-20~60Sensor Color:Black/White/Silver/Gray/Red/Blue/GoldenHighlights: 1. The parking sensor kit is NOT packaged in gift box. If you need gift box, please contact with us before you place order. 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: -30~80C 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: 330g 5. 4 sensors 6. Advanced chipset for enhanced coverage and detecting 7. Detect small objects and bars 8. Enable you to prevent dangerous and costly collisions 9. Provide increased safety for passengers, pedestrians and family members who happen to be around the moving vehicle. Package: 1 x Main Control Box 1 x Sound Alert Indicator 4 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