Anti-theft alarm YT-009 SUPPORT SD/USB/FM 1,anti-theft alarm 2,input:DC15V 3,power:15W+ ... 2,SD:yes 3,USB:yes 4,MP3:yes 5,FM:yes 6,remote control:anti-theft alarm remote controlSpecification1,Power ... Neg. Ground2,Max. Output:8Volts RMS3,T.H.D:0.01%4,Frequency Response:10Hz-50KHz+/-dB5,S/N Ratio:>90dB6 ...