Product descriptions:car horn,auto speaker,horn DetailsFL-160Voltage: (V)12Current: (A)≤4Frequency: (Hz)H=510±20 L=410±20Sound level: (A)105-118 dbDiameter: (mm)Ø76Applicable for cars12V cars exclusiveCertifiedISO9001:2000, CE,CCCNational Security CertificateRemarks:1. Dual-tone and Single tone2. Best quality and novel design have gained most of customers all over the world.14 months warranty, delivery on time, good after service.For more details, please feel free to contact me!