General description For Truck Left or Right Side Available Parking Sensor with Voice Alarm features a left side parking sensor and HD audio monitor. It includes an off-car warning light that activates automatically when the car turns right, flashing the car's outside warning light and sounding the alarm simultaneously. Technical specifications Alarm sound volume: 65dB Detection distance: 0--1.5m Waterproof rating: IP67 Working voltage: 24V Working temperature: -40° to +80° Material: ABS Compatibility and accessories Compatible for use in left or right blind spots Package contents: 1 x Host 1 x Wiring Harness 1 x Relay Box 1 x Alarm Light 1 x Buzzer 1 x Extension cord 4 x Radar probes Other information Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement allowed error is +/- 1-3 cm.