Features： 1、110dB car horn, high power, loud sound, with nice warning effect, safer driving. 2、Equipped with 3 kinds of alarm sound effects, pure sound, you can choose according to your needs. 3、Made of high-quality plastics, with nice durability, stable performance and not easy to damage. 4、Easy to install and use, with mounting bracket, stable installation is not easy to fall. 5、12.0V working voltage, can be installed to car, truck, marine boat, etc. Specification： Features: 110dB car horn, high power, loud sound, with nice warning effect, safer driving. Equipped with 3 kinds of alarm sound effects, pure sound, you can choose according to your needs. Made of high-quality plastics, with nice durability, stable performance and not easy to damage. Easy to install and use, with mounting bracket, stable installation is not easy to fall. 12.0V working voltage, can be installed to car, truck, marine boat, etc. Specifications: Color: Black Material: ABS Voltage: 12 V Sound: 110dB Power: 30W Item Size: 105 * 98 * 98mm/ 4.1 * 3.9 * 3.9in Item Weight: 337g/ 11.9oz Package Size: 115 * 110 * 115mm/ 4.5 * 4.3 * 4.5in Package Weight: 390g/ 13.8oz Packing List: 1 * Car Horn Package List： 1 * Car Horn