1. Provides a whistle-like sound with a loud voice 2. The solenoid valve can be used for 12V and 24V, and is suitable for a wide range of vehicle models 3. Made of ABS material, lightweight design, durable 4. With a bracket, easy to install 5. Working voltage: 12-24V 6. Working air pressure: 0.8-0.9mpa 7. Working frequency: 500-800Hz
