... Compatibility:NTSC, PA, SECAM; HDTV (720P,1080i, 1080P),EDTV (480p, 576p),SDTV (480i, 576i) Optical ... m / 120" at 1.5mImage Size (Diagonal):32"~380"Projection Distance:1M ~3.5MLamp:230W USHIO ... Bright), <1 Watt (Standby)Operating Temperature:0 - 40C / 32 - 104F (0 - 1500m)Operating Humidity:20 - 90% ... Advance, 70% Balance Before Shipment. 3 LCD HD 1080p/1m-3.5m short throw interactive projector