YASHANG Application: Suitable for most cars or motorcycles with 12V voltage. Premium Material: Made of high-quality plastic, it has higher abrasion resistance and is durable. High Sound Quality: 3 sound designs, press each switch to make a different sound. The high sound quality of up to 110dB can be heard clearly from a long distance. This is an alarm horn siren with 3 sound changes. With a clear sound up to 110dB, you can hear the sound from a distance. Installation: Easy to install. Simply connect the red wire to the positive pole and the black wire to the negative pole. Specifications: Material: Plastic Color: Black Voltage: 12V Power: 30W Sound Level: 110dB Impedance: 8 Size: 9 x 10cm/3.5" x 4" Package Weight: Approx. 357g Installation: Connect the red wire to the positive pole and the black wire to the negative pole. Fitment: Fit for 12V cars/motorcycles Package Included: 1 x Motorcycle Horn