1.14 months warranty,good after service,best quality,low price, 2 E-Mark ,ISO9001:2000 ,TS16949 certified. 3.Most Popular Horn DetailsFL 138Voltage: (V)12-24Current: (A)≤4Frequency: (Hz)H=510±20 L=410±20Sound level: (A)105-118 dbDiameter: (mm)ø90Applicable for carsUniversal typeCertifiedISO9001:2000, CE,CCC National Security Certificate14 months warranty, delivery on time, keep you known during ...