NIUNIU Reversing Beeper, 12-80V Backup Warning Alarm Beeper Reversing Horn Car Vehicle Reversing Alarm Reverse Buzzer Universal Vehicle Horn Heavy Equipment [Car Reversing Alarm Horn]: Produces a powerful beeping sound, to help warn when the vehicle is backing-up [Universal Fitment]: Suitable for All 12-80V vehicles, for trucks van freight car lorry heavy vehicles [Durable & Waterproof]: Made of high quality nylon material, waterproof housing, very sturdy and durable [Easy to Install]: Universal mounting bracket with slotted holes, can be mounted many place in your vehicle Colour: Black Size: 1074cm Quantity: 1pc Kind tips: 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding. 3. Only the above package contents, excluding other products.