Acer K650i, Portable LED. Projector brightness: 1400 ANSI lumens, Projection technology: DLP, Projector native resolution: 1080p (1920x1080). Service life of lamp: 20000 h, Lamp type: LED, Service life of lamp (economic mode): 30000 h. Focus: Manual, Digital zoom: 2x, Optical zoom: 1x. Analog signal format system: NTSC,PAL,SECAM. Noise level: 29 dB, Noise level (economic mode): 25 dB