Acer Home H6531BD. Projector brightness: 3500 ANSI lumens, Projection technology: DLP, Projector native resolution: 1080p (1920x1080). Light source type: Lamp, Service life of light source: 5000 h, Service life of light source (economic mode): 10000 h. Focal length range: 15.85 - 17.44 mm, Aperture range (F-F): 2 - 2.5, Zoom ratio: 1.1:1. Compatible operating systems: Mac PC Windows PC. RMS rated power: 3 W