Aiptek MobileCinema i15. Projector brightness: 12 ANSI lumens, Projection technology: DLP, Projector native resolution: nHD (640x360). Service life of lamp: 20000 h, Lamp type: LED. Focus: Manual, Offset: 100 %. Power source: Battery, Power consumption (typical): 3 W. Battery technology: Lithium Polymer (LiPo), Battery capacity: 2100 mAh