Toshiba X4500 4,500 ANSI Lumens/XGA 1,024 x 768 pixels/7.7 kg. Projector brightness: 4.500 ANSI-Lumens, Projection technology: 3 x 0.99" polysilicon TFT (MLA), Contrast ratio (typical): 750 : 1. Service life of lamp: max. 2.000 hours, Lamp power: 310 W. Serial interface type: RS-232C (D-sub 9 pin). Weight: 7.7 kg. Dimensions (WxDxH): 420 x 310 x 160 mm, Input type: Computer Input: 15pin Mini-Dsub x 1, Accessory type: remote control