Pico projector Specification: Display technology: lcos Light source: led Resolution: 640 x 480 Image size: max 73 inch at 3.0 meter Uniformity: > 85% I/o connection: 2.55 mm 4-pole av jack Power supply : build-in rechargeable li-polymer Battery 3.7v at 2500 m ah and mini Usb for battery charging Focus : manual focus Projection distance: 0.2 m to infinite Dimensons (wxsxh): 60 x 113 x 18 mm Dimensons (wxsxh): 60 x 113 x 18 mm Weight : 160 g