12V 300DB Super Loud Train Horn Waterproof for Motorcycle Car Truck SUV Boat Red Product Features: 300DB Train Horn for Your Truck: The 300DB Train Horn offers the loudest sound on the market, while also being the most compact Train Horn offered. Fast Installation: The Train Horn is a high-quality, high-end train horn kit designed to integrate into as many trucks as possible. On top of that, the installation process takes less than an hour. Extraordinary Equipment: There is no bulky air compressor, only a small device that produces incredible sound It's so compact. Broad Compatibility: Train Horn is Suitable For Almost Any Vehicle While It's the perfect upgrade for trucks, our horn is also compatible with SUV, passenger cars, boats, and motorcycles. Product Specification: Type: Super Train Horn Color: Red Power Supply Voltage: 12 (V) Power: 30 (W) Sound Level: 300 (DB) Current: 2 (A) Working Temperature: 25 () Voice Coil: Copper Diaphragm Material: Plastic Package Included: 1 X Super Train Horn