Optoma DH351 SpecificationsJump to...Display/ImageJump to...Display technologyDLPResolution1080p Full HD (1920x1080)Brightness3,600 lumensContrast ratio22,000:1Native aspect ratio16:9Aspect ratioCompatible: 4:3Keystone correction - vertical+/-40 DegreeUniformity0.8Screen size28" - 301" diagonalLamp InfoJump to...Light source typeLampLamp watts240Lamp life hours (Up to)4000 (Bright), 15000 (Dynamic), 10000 (Eco)OpticalJump to...Throw ratio1.47:1 - 1.62:1Projection distance39.37" - 385.83"Zoom1.1Zoom typeManualFocal length15.59mm-17.14mm/0.614"-0.675"Native offset1.16ConnectivityJump to...ConnectionsInputs 1 x HDMI 1.4a 3D supportOutputs 1 x Audio 3.5mm, 1 x USB-A power 1.5AGeneralJump to...Noise levelTypical: 26dB>max: 28dBCompatibilityPC: FHD, UXGA, SXGA, WXGA, HD, XGA, SVGA, VGA, Mac2D: NTSC 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)3D 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 Degree C-40 Degree C/41 Degree F-104 Degree F, max altitude 3000M/9843ft, max humidity 85%Remote controlBacklit home remoteSpeaker count1Watts per speaker5WPowerJump to...Power supply100 - 240V, 50 - 60HzPower consumptionStandby: 0.5WMin: 205WMax: 295WWeight and DimensionsJump to...Dimensions (W x D x H)12.44 x 9.61 x 4.25" (31.59 x 24.40 x 10.79cm)Gross WeightGross weight: 8.4 lbs (3.81kg)Net weight: 6.17 lbs (2.79kg