TI DLPTM lithography technology / the latest generation of true resolution XGA DMD chip resolution: 1024 x 768 (XGA), supports PC signals up to 1080P (1920 x 1080) 60Hz output brightness 4000 ISO21118 lumens Contrast Ratio 50,000: 1 Display color 1073.4 one hundred million colors (30bit) Projection Lens f = 21.85 ~ 24mm, F # 2.41 ~ 2.53,1.1x times manual zoom / focus projection size (diagonal) 27 to 300-inch projection ratio from 1.95 to 2.15: 1 (projection distance / screen width ) 115% projection distance 1 ~ 12 m Vertical Keystone Correction ± 40 ° Display format 4: 3, compatible with 16: 9, Native, automatic scanning frequency level: 15.375 ~ 91.146 KHz / Vertical: 24 ~ 85 Hz (120Hz for 3D) computer compatible format 1080P, UXGA, SXGA +, SXGA, WXGA, 720P, XGA, video compatible format HDTV (720p, 1080i / p), SDTV (480i / p, 576i / p), NTSC, PAL, SECAM 3D Compatible Video: 480i & HDMI 1.4a Blu-ray 3D Computer: 1280x720 / 1024x768 @ 120Hz signal input and output interface HDMI 1.4ax 1, VGA in x 1, S-Video x 1, Composite Video x 1, Audio Input x 1, Audio out x1, RS -232 x 1 (9 Pin), 29dB Mini USB x 1 Uniformity 85% Speaker 2W x 1 speaker working noise (power saving mode) / 34dB (Bright mode) specifications 190W bulb replaceable energy efficient light bulbs 6500 hours lamp life (intelligent power-saving mode) / 5000 hours (highlight mode) Rated voltage AC 100 ~ 240V ± 10%, 50 / 60Hz Total power consumption Max 250W @ 220VAC (Bright mode) / ≤0.5W (standby) volume, weight 31.4x 22.4 x 10.2 cm (with feet) / 2.5 kg lifting screw M4 x10mm x3 stars