ITEM NAME:1 set Black LED Display Car 4 Parking Sensor Reverse Backup Radar Alarm Hot Descriptio n Description: Features: Curve design and instrument panel matching, strong anti-interference ability, high and low temperature resistance; sound + LED high brightness distance prompt, not affected by the environment, rainy days, nights and nights are particularly advantageous. Note: The maximum effective range of reversing radar detection is 2.5 meters. Working frequency: 40KHz Working voltage: 12V DC Current consumption: 20ma-200ma Working temperature: -30 Â ° ~ 70 Â ° Alarm volume: 70~85dB (at 30cm) Maximum power: 2w Specifications: Material: ABS Colour: Black Size: 21*13*5cm Weight: 320g Package Included: 1 * host + 4 * probe +1 display +1 * hole +1 * power line +1 * manual + 2 * double-sided adhesive stickers two Whatever the ending's perfect or not, you can't disappear from my world 1 set Black LED Display Car 4 Parking Sensor Reverse Backup Radar Alarm Hot.We'd like to settle any problem in a friendly manner. Colour: Black. Whatever the ending's perfect or not, you can't disappear from my world. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted.