Description Outstanding, practical, all the advantages you want to have in the speaker can be reflected in this car pneumatic horn. The excellent manufacturing process makes the speaker look smooth and the sound has a lot of penetrating power. This horn is suitable for both cars and motorcycles. Characteristics Color: black red. Material: magnet, iron, ABS. Size: about 9.00X9.00X5.00cm/3.54X3.54X1.97in. Voltage: 12V. Volume level: 300 db. Frequency: 410Hz (low tone) / 510Hz (high tone). The top design makes it have strong penetration power and can play a good reminder function. The unique shape of the snail-shaped tube is more conducive to sound production. This horn is very practical, suitable for trucks, cars, motorcycles itp. High quality magnet, iron and ABS material are safe, durable and not easily damaged. The 300DB railway horn suitable for trucks, provides the loudest sound on the market, and is also the most compact horn available on the market. list of packages 1 pair x car horns 1 Pair x Mounting Brackets