Digital Projection E-Vision Laser 4000 4K-UHD fix Obj. 1.13 - 1.7 1. Projector brightness: 3300 ANSI lumens. Projection technology: DLP. Projector native resolution: UHD 4K (3840x2160). Light source type: Laser. Service life of light source: 20000 h. Service life of light source (economic mode): 30000 h. Focus: Manual. Lens type: Standard zoom. Serial interface type: RS-232C. HDMI connector type: Full-size. Noise level: 35 dB