Hign-concerned Chemical:NoneOSD Language:EnglishTalk Range:2.5m(detection distance)Model Name:Parking sensorType:InvisibleBrand Name:hippcronOrigin:Mainland ChinaMaterial:Plastic/AluminumCertification:CENote: The control box style of this product has been updated, which will not affect the use of the product. If you don't like it, please don't place an order. 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 a full name as the receiver name. Otherwise, you may not receive your items because of the regulation of your customs. Highlights: 1. The parking sensor kit comes without retail box. If you need retail box, please contact with us before you place order. 2. The photos are only for reference. The real products may look not exactly the same as the photos. If you can't 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