BenQ LH500. Projector brightness: 2000 ANSI lumens, Projection technology: DLP, Projector native resolution: 1080p (1920x1080). Light source type: LED, Service life of light source: 20000 h, Service life of light source (economic mode): 30000 h. Zoom ratio: 1.1:1, Throw ratio: 1.49-1.64, Offset: 100%. Serial interface type: RS-232, HDMI version: 1.4a/1.4b. Noise level: 32 dB, Noise level (economic mode): 28 dB