Feature: * The Parking Sensor will automatically open when the car into the reverse gear, detection range: 0.2-2.5M, all-round detection. Ultrasonic frequency: 40 1kHz * Bi-Bi alarm, left and right obstacle identification, digital band display, obstacle distance digital display * Microcomputer intelligent control, dual-core processing system, probe self-test function. Super anti-electromagnetic interference, durable, and the original electronic system without any impact Specification: Type: Car Parking Radar KitMaterial: PlasticQuantity: 1pcsColor: SilverRate Voltage: 12V DCRate Operating Range: 9V - 16V DCRate Current: 20mA - 200mADetecting Distance: 0.2-2.5m/1-8.2ftUltrasonic Frequency: 40KHz+/-1KHzWaterproof: IP66Alarm Volume: 80dBWorking Temperature: -30- 70 CelciusLED Display Monitor Size: 13.5*1.6*2.1cm/5.3*0.6*0.8"(L*W*H)Control Box Size: 7.6*1.2*3cmNet Weight: 0.32kg/11.3oz Features: 4 sensor system, double CPU and advanced chipset for enhanced coverage and detection (0.2-2.5m). With digital colored LED display (number & light).