NEW 115dB Loud Horn Auto Speaker Alarm 12V Horn Loud Voice Speaker For Car Motorcycle Truck Van Dual Pitch Universal Snail Horn Features - Easy install, durable - Unique fashion design, have different voices - Please check the size carefully before you purchase. - For use with any 12 volt vehicle(car, van,truck, SUV, motorcycle, yacht, boat, off Road vehicle etc) Selling point -Long life reliable quality -Mutil tone or single sound -New pure copper new ABS -Universal car horn fits for most Cars,Trucks,Tractors,VAN,Agricultural mechinery,SUV,Scooters/Mopeds,ATVs,Go-Karts,Vespas,Dirt Bikes,Pocket Bikes and Motorcycles Our Advantages -Guarantee the quality and the quantity -Reasonable prices -Short production time -Satisfactory after-sales service specification Material: ABS Colour: Blue white Sound Level: 110 + 5 dB Voltage: 12V Frequency: Low 410Hz high 510Hz Operation Guide - The electronic system control the horn to transform the sound - Press the button continually for three time, the transformation of the sound is finished. - Repeat the above step to transform the sound continually. - One sound will be kept until you press the button. Wiring method - The red line is connected to the 12V positive pole. - The black wire is connected to the negative pole of 12V voltage. - The blue wire is connected to the horn controller Package Including 2x Horns 2x Brackets and Screws 1x Controller Relay (Black horns havent relay, just the blue horns have relay) Note:Black horns havent relay, just the blue horns have relay !!!