Vivitek DH2661Z Vivitek DH2661Z, DLP Portable Projector, FHD 1920x1080, 4000lm, 30.000:1, White Native Resolution 1080p (1920 x 1080) Brightness 4000 ANSI Lumens Contrast Ratio 30,000:1 Max. Supported Resolution 4K UHD (3840 x 2160) Native Aspect Ratio 16:9 Lamp Life and Type 20,000 / 30,000 hours (Normal / Eco) Display Type Single chip DLP® Technology by Texas Instruments Chip Size 0.65” DMD Throw Ratio 1.475-1.753 Image Size (Diagonal) 40" - 300" Projection Distance 1.32 – 9.9m Projection Lens F = 2.5 – 2.66, f = 22 – 25.42mm Zoom Ratio 1.2x Offset 107% ±5% Keystone Correction Horizontal ±30°, Vertical ±30°/ 4-Corner Automatic Keystone Correction Yes Speakers 10W (Mono) Video Compatibility NTSC, PAL, SECAM / 480i, 480p, 576i, 576p, 720p, 1080i, 1080p I/O Connection Ports VGA-In (15pin D-Sub) (x1), HDMI (x2), Audio-In (RCA) , Audio-In (Mini-Jack), Audio-Out (Mini-Jack), RJ45, RS-232, USB A (2.0 (Power 5V/1.5A)), USB miniB (Service) Dimensions (W x D x H) 353 x 290 x 144mm Weight 4.8 kg Noise Level 33dB/31dB (Normal/Eco Mode) Power Supply: AC 100-240V, 50/60Hz Consumption: 230W (Normal Mode), 180W (Eco Mode), <0.5W (Standby) 3D Ready(DLP link, PC+Video) Yes