... -1208ELVoltage(V)12VCurrent(A)8AFrequency(Hz)400±20/410±20Sound level(DB)108-115dbLife timemore than 5000000 timesDiameter(mm)90mmApplicable for ... carsuniversal typecertifiedISO9001,2000,3CRemarks:8 soud and 10 sound ,12sound,18sound snail-shape,yellow,other colour accepted ,super waterproofbest ...