Acer Essential MR. JRU11.001. Projector brightness: 4000 ANSI lumens, Projection technology: DLP, Projector native resolution: 1080p (1920x1080). Light source type: Laser, Service life of light source: 20000 h, Service life of light source (economic mode): 30000 h. Focal length range: 15.98 - 21.42 mm, Aperture range (F-F): 2.5 - 2.93. Analog signal format system: NTSC, PAL, SECAM. Compatible operating systems: Mac PC Windows PC