ELECTRONIC SIRENITEM NO:GS-551, used for car alarm siren2, waterproof3, CE approval SPECIFICATIONSPOWER: 20/25/30WIMPED.: 4/6/8 ohmVOLTAGE: DC 6-15VCURRENT: 600/800/1200mASOUND: 1 OR 6 TONE, MELODICdB/M:115/120/125dBMATERIAL: ABSCOLOR: BLACK/WHTEPACKING: 24PCS/0.08CBM