Bullet Points:1Reversingradar:Thisnon-displaycar buzzerreversingradar sysisdesignedforpurebuzzer,anti falsealarm,highsensitivity,stableandclearsound.2ExcellentPerformance:Anti-freeze,waterproof,shockproof,durable.Thebeepwillbecomeloudersothateverythingaroundthemovingvehiclecanbedetectedintime.3UltrasonicSensors:Ourparkingsensorisequippedwith4sensorsofdifferentcolors,andtheadvancedchipsetcanachieveaccuratedetectionandcoverage with detection distance of 30-150cm.4HighSecurity:High-qualitywirelesssensorsystem,protectivecircuitsavoidingoverheatingoroverloading.Reversingradarhelpsavoiddangerousandcostlycollisionsbehindthewheels.5Easy to install: Perfectly fit your car with universal hole saw (vehicles with 24V are not included) . With a drill head, convenient to drill hole on the bumper of the car.Buzzerreversingradar:Thisnon-displaybuzzerreversingradarisdesignedforpurebuzzer,anti-falsealarm,highsensitivity,stableandclearsound,andiscompatiblewiththeoriginalcarseries.Thisistheidealchoiceforyourtravel.ExcellentPerformance:Anti-freeze,waterproof,shockproof,durable.Thebeepwillbecomelouderandloudersothateverythingaroundthemovingvehiclecanbedetectedintimeandhelppreventcollisions.4UltrasonicSensors:Ourparkingsensorisequippedwith4sensorsofdifferentcolors,andtheadvancedchipsetcanachieveaccuratedetectionandcoverage.Thesensorwillbeepin3modesaccordingtotheobstacledistance(30-150CM).Name: car parking sensorSize: 3.4*2.4*0.8inVoltage: 12VDetection range: 12-60in packing list: 1 x Sound Alert Indicator1 x Command Module4 x Parking Sensor1 x Power Supply Cable1 x Hole Saw1 x Instruction Manual