Product descriptions:electric horn,auto speaker,auto horn Details FL-158 -80B H/L Voltage: (V) 12 Current: (A) ≤4 Frequency: (Hz) H=510±20 L=410±20 Sound level: (A) 105-118 db Diameter: (mm) Ø80 Applicable for cars 12V cars universal or can design exclusive type of all cars Certified ISO9001:2000, CCCNational Security Certificate Remarks: Best quality and novel design have gained most of customers all over the world. 14 months warranty, delivery on time, keep you known during producing period. For more details, please feel free to contact me!