MC-EW4051 ProjectorMulti Purpose 3LCD Projector Key Features WXGA 1280 x 800 Resolution 4000 ANSI lumens white/color output 20000:1 contrast ratio HDMI x 2 input 16 watt audio output 10000 hours hybrid filter 6000 hours lamp life (Standard mode) 12500 hours lamp life (Eco mode) Embedded LAN/Wireless CompatibleFeaturesBrightness (Normal)4000 ANSI LumensNative resolution1280 x 800 Contrast ratio (typical)20000:1 Technology3LCD Lamp Life6000 HoursHorizontal Keystone+/-30 DegreesVertical Keystone+/-30 DegreesNetwork CapabilityYes Wireless compliancyOptional USB 2.0 ports quantity2 HDMI ports quantity2 RS-232 interface1 ColourWhite Dimensions W x D x H355 x 106 x 267 mmWeight3.5 KgLens Ratio RangeStandard Throw (1 - 3:1)