BenQ LH730. Projector brightness: 4000 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. Focal length range: F/#=1.6~1.75, f=19.16~23.02mm, Zoom ratio: 1.2:1, Throw ratio: 1.3~1.56. Serial interface type: RS-232, HDMI version: 2.0b. Noise level: 33 dB, Noise level (economic mode): 28 dB, High Dynamic Range (HDR) technology: High Dynamic Range 10 (HDR10), Hybrid Log-Gamma (HLG)