Optoma EX665UTis. Projector brightness: 3000 ANSI lumens, Aspect ratio: 4:3, Projection technology: DLP. Service life of lamp: 2500 h, Service life of lamp (economic mode): 3000 h. Focus: Manual. Vertical scan range: 25 - 85 Hz, Horizontal scan range: 15 - 91 kHz. Analog signal format system: NTSC, PAL, SECAM, Supported video modes: 1080i, 1080p, 480i, 480p, 576i, 576p, 720p