Waterproof Sturdy and durable, long service life Easy to install It can be protective when connect the wire inversely or wrong Fits for various Engineering Vehicle, autos trucks with 12V working voltage Specification: Reverse / Back Up Horn Color: Black & Red Sound: BEEP BEEP BEEP Size: 70 x 80 x 60 mm Output : 110DB Voltage： 12 V Easy to install - Just simply connect it to the cables of the reversing light 100% strict QC Top quality Aftermarket replacement part Pickup Available from Mon- Fri Suit: For Any 12 Volt Vehicles with 12 V Power Supply Package Includes: 1x Back Up Alarm Horn Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing