Feature Highlights Expressive display • SVGA (800 x 600) • 3, 600 ANSI lumens • Dynamic Black 20, 000:1 • Acer Lumi Sense • Acer Bluelight Shield • Acer Color Boost 3D • Acer Color Safe II • DLP 3D ready Enhanced usability • Instant Resume • Fast Pack • Sealed optical engine Installation flexibility • Keystone correction 40 degrees • Top-loading lamp • I/O power on • AC power on • Auto shutdown Eco-friendly functionality • Acer Eco Projection • Lamp life up to 10, 000 hours in Extreme Eco mode Acer Bluelight Shield Acer Bluelight shield allows users to lower levels of blue light to lessen the negative effects of blue light exposure. There are three levels of filter in projector suitable for different scenario. Each level also contains dynamic mechanism that will optimize the blue light level based on content. Bluelight shield can reduces up to 30% blue light & protect your eyes. Acer Lumi Sense Lumi Sense incorporates a clever content-aware process. It analyzes projected content frame by frame & dynamically adjusts image visibility to optimum levels. Thanks to Lumi Sense intelligent judgment & dynamic adjustment, all dark scenes are clearly displayed with no loss of detail. Technical Specifications Model name: Acer X118AH Projection system: DLP Resolution: SVGA (800 x 600), Maximum WUXGA (1, 920 x 1, 200) Brightness: 3, 600 ANSI Lumens (Standard), 2, 800 ANSI Lumens (ECO) Aspect ratio: 4:3 (Native), 16:9 (Supported) Contrast ratio: Dynamic Black 20, 000:1 Throw ratio: 1.94 ~ 2.16 (51"@2m) Projection lens: F= 2.41~2.53, f = 21.85~24.01mm, Manual Zoom & Focus Keystone correction: +/-40° (Vertical, Manual) Lamp life: 4, 000 Hours (Standard), 6, 000 Hours (ECO), 10, 000 Hours (Extreme Eco) Noise level: 30 d BA (Standard), 24 d BA (ECO) Input interface: HDMI (Video, Audio, HDCP) x 1 Output interface: DC Out (5V/2A, USB (Universal Serial Bus) Type A) x 1 Control interface: USB (Universal Serial Bus) (Type A) x 1, share output port Dimensions: 313 x 240 x 113.7mm (12.3" x 9.4" x 4.5") Weight: 2.7kg (6.17 lbs)