SPECCIFICATION: 1)packing measurement:158(L)*138(W)*118(H)mm 2)power:AC power supply input AC110V 240V/50 60HZ output:5.4V 1500mA 3)supportting music pay format:MP3 4)supports USB.TF card broadcast 5)keystoke:next music/VOL UP last music/VOL DOWN play/suspend 6)trumpet:1.5W(L) 1.5W(R) 7)capacity:1G 8)laser wavelength/power:green 532nm/50mw red 650nm/100mw 9)net weight:0.55kg 10)body color:blue&red Packing list:1)projector 1pc2)AC power supply 1pc3)Owen's manual 1pcApplications:Family party,dance party,roller skating rinks,KTV,bars,party,ectNotice:1)Pease operate the projector according to the manual strictly.2)This unit is intended for indoor use only and should be prevented from water,moisture and shake3)the working temperature of this unit is 15-30°c,and it must be powered off after continuously working 2 hours to let the diode cool down.4)To keep the body of unit clean to avoid any unnecessary troubles.5)Don't turn on and off it frequently and try to avoid making it for a long time.6)Don't use the telescope to watch the laser rays,otherwise will be largen the dangers.7)You had better to use the orinigal package during the transportation.Warnings:1)The grade of the laser for it is class III B,and will be dangerous if exposure to the eyes directly.2)The working voltage is 110-240V/50-60Hz,once exceeded this range its lifetime will be shorte