DH351 High resolution presentations Specification Dis play/image Display technologyDLPResolution1080p Full HD (1920x1080)Brightness3,600 lumensContrast ratio22,000:1Native aspect ratio16:9Aspect ratio - compatible4:3Keystone correction - vertical+/-40°Uniformity80%Screen size0.71m ~ 7.65m (28" ~ 301") diagonal Lamp info Light source typeLampLamp watts240Lamp life hours (up to)4000 (Bright), 15000 (Dynamic), 10000 (Eco) Optical T hrow ratio1.47:1 ~ 1.62:1Projection distance (m)1m - 9.8mZoom1.1Zoom typeManualFocal length (mm)15.59mm~17.14mm/0.614"~0.675"Native offset116% Connectivity Connections Inputs 1 x HDMI 1.4a 3D support Outputs 1 x Audio 3.5mm, 1 x USB-A power 1.5A General No ise level (typical)27dBNoise level (max)29dBPC compatibilityFHD, UXGA, SXGA, WXGA, HD, XGA, SVGA, VGA, Mac2D compatibilityNTSC M/J, 3.58MHz, 4.43MHz PAL B/D/G/H/I/M/N, 4,43MHz SECAM B/D/G/K/K1/L, 4.25/4.4MHz 480i/p, 576i/p, 720p(50/60Hz), 1080i(50/60Hz), 1080p(50/60Hz) Side-by-Side:1080i50 / 60, 720p50 / 60 Frame-pack: 1080p24, 720p50 / 60 Over-Under: 1080p24, 720p50 / 603DFull 3DSecuritySecurity bar, Kensington Lock, Password protected interfaceOSD / display languages25 languages: Arabic, Czech, Danish, Dutch, English, Farsi, Finnish, French, German, Greek, Hungarian, Indonesian, Italian, Japanese, Norwegian, Polish, Portuguese, Romanian, Russian, Chinese (simplified), Spanish, Swedish, Chinese (traditional), Turkish, VietnameseOperating conditions5°C~40°C/41°F~104°F, max altitude 3000M/9843ft, max humidity 85%Remote controlBacklit home remoteSpeaker count1Watts per speaker5WIn the boxAC power cord, Remote control, 2x AAA batteries, Basic user manualOptional wireless modelsHDCast Pro, WHD200 Power Po wer supply100 ~ 240V, 50 ~ 60HzPower consumption (standby)0.5WPower consumption (min)205WPower consumption (max)295W Weight and dimensions Dimensions (W x D x H) mm316 x 244 x 108Gross weight4.5 kgNet weight2.8 kg