General description The Reversing Radar Sensor Probe Buzzer is an essential car accessory designed to enhance safety while reversing. It features a step-up buzzer alarm that alerts the driver of obstacles within a detection range of 0.3 to 2 meters. This device can be connected to a camera or any rearview monitor, displaying the distance to obstacles directly on the screen. Technical specifications Current: Less than 200mA Input Power: 12V DC Working temperature: -30°C to +70°C Voice Alarm: 80dB Ultrasonic frequency: 40 KHz Sensor detection range: 0 to 2.0m Diameter of sensor: 16.5mm Material: Plastic Color: Black Package Contents 1 set reversing radar Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3cm.