Acer 201B 3D, P1. Projector brightness: 2700 ANSI lumens, Aspect ratio: 16:9, 4:3, Projection technology: DLP. Service life of lamp: 5000 h, Lamp power: 180 W, Lamp type: OSRAM. Focal length range (f-f): 2.41 - 2.55 mm, Digital zoom: 2 x. Analog signal format system: NTSC, PAL, SECAM. RMS rated power: 2 W