Optoma DX322. Projector brightness: 3800 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024×768). Light source type: Lamp, Service life of light source: 6000 h, Service life of light source (economic mode): 10000 h. Focal length range: 21.85 – 24 mm, Zoom type: Manual, Zoom ratio: 1.1:1. Supported 3D formats: Frame packing, Side by side. Serial interface type: RS-232, HDMI version: 1.4a