... un-affected by wind, ice, snow Buzzer Car Parking SensorModel: PST-PSB3920Specifications: Measuring the distance by radarAlarm ... sensors are availableHigh,Low,Off three step switch for buzzer and interface with the buzzer wireFull-weather ... by wind, ice, snow & rainAll kinds of sensor colors and styles are availableHigh quality and easy to ... Working Temperature: -30 ~ +70°C Buzzer Car Parking Sensor