1) Rated voltage: 12V , 24V 2) Sound level: 105 ~ 115dB 3) Current: aa3A 4) Frequency: 510-410 Hz, +/-20 Hz 5) Du We are the manufacturer of auto parts,specialized in electric horn,disc horn,horn relay and soleniod pump. Our company is estabalished in 1998,is the famous car horn manufactuer in china.our products--60B.electric shell type horn has a strong stability and high level sound,It can be ...