... •LED lamp lasts 20,000 hours (works out to 4 hours a day for next 14 years) • ... 263),RM/RMVB (Realvideo 2.0,3.0,4.0),H.263(All files limited to (640*480) 30FPS)photo ... )20"-60"Project distance1m to 3.7mOperationOperationButton on the surface of the projectorInterfaceUSB2.0 input,DC port, SD ... slot ,earphone portFeature Can be connected to USB.SD CARD, ...