... :15W+15W 4,SD,USB Anti-theft alarm YT-009 support SD/USB/FMYT ELECTRONIC INTERNATIONAL CO.,LIMITED is subsidiary of FOSHAN ... YATAO ELECTRONIC FACTORY1,motorcycle anti-theft alarm 2,SD:yes 3,USB:yes 4,MP3:yes ... 5,FM:yes 6,remote control:anti-theft alarm remote controlSpecification1,Power supply:8-15V DC Neg. Ground2,Max ...