... voltage: 12V , 24V 2) Sound level: 105 ~ 115dB 3) Current: 3A 4) Frequency: 510-410 Hz, +/-20 Hz HTAP Auto Parts Co ... especially Middle East and Japan, and received high appreciation from auto parts dealers for its superior quality, good service and credit ... term business relationship and international friendship. Company Name: China HTAP Auto PArts Co.LtdAdd.: No.86 Jianshan Industrial Zone, Ditang ...