Product descriptions:auto horn,car horn,auto snail horn Details FL158 H/L Voltage: (V) 12 Current: (A) ≤4.5 Frequency: (Hz) H=510±20 L=410±20 Sound level: (A) 105-118 db Diameter: (mm) ø95 Applicable for cars Hyundai, KIA exclusive Certified ISO9001:2000, CCCNational Security Certificate Remarks: 1. It can be designed with other cars exclusive 2. It is very popular in America, Middle East and Europe (best quality) 14 months warranty, good after service, delivery on time For more details, please feel free to contact me!