Petersty Universal Snail Air Horn Siren Loud 130dB Waterproof For 12V Truck Motorcycle Specification: Product name: Snail Air Horn Condition: New Operating voltage: 12V DC Current: 4A Sound Output: 130dB Frequency: 510hz Waterproof: Yes Fitment: Suitable for all 12V cars Colour:Silver Material:ABS + metal Size:12.3x7.4cm Package Contents: 1 x Horn Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.