1. Signal mode: Pulse air pressure
2. Sound transmission: Radiation transmission, the sound wave of snail horn disperses to the both sides from the loudspeaker, sounds quite harnonious.
3. The advantages: Commonly used in waring the nearby driver, and make other drivers aware of the direction and distance between vehicles.
4. Production material: it adopts the top-grade material, and is able to bear all kinds of weather, and has a strong anti-hit ability.
Characteristic: Lound, Durable, Melodious Voice
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