Viewsonic X11 4K UHD LED Short Throw Projector - Native Resolution: 3840 x 2160; 2400 LED Lumens; Contrast Ratio: 3000000:1; Throw Ratio: 0.8; Throw Distance: 0.5m-3.5m (100"@1.77m); HDTV Compatibility: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p; Audio-in (3.5mm): 1; HDMI: 2 (HDMI 2.0, HDCP 1.4/2.2); SD Card: Micro SD (256GB, SDXC); USB Type A: 2(USB2.0 Reader x2); Bluetooth Input: 1 (BT4.2 / audio in); Built-in 8w Harman Kardon Speakers; Smart Functionality + Voice Control; Bluetooth and Wi-Fi Connectivity, Retail Box , 1 year warranty-3months on Bulb Product Overview The ViewSonic X11-4K offers a true 4K UHD cinematic experience with HDR/HLG support, advanced LED technology, and smart features in a portable design. It provides effortless setup with instant autofocus and delivers vibrant visuals from just 1.77 meters away, enhanced by Harman Kardon speakers. With Wi-Fi, Bluetooth, and USB-C connectivity, it seamlessly integrates with various devices for immersive entertainment anywhere. SpecificationsProduct Code: X11-4KDescription: Viewsonic X11-4K UHD LED ShortProjection System: 0.47" 4K-UHDNative Resolution: 3840x2160Brightness: 2400 (LED Lumens)Contrast Ratio: 3000000:1Display Color: 1.07 Billion ColorsLight Source Type: LEDLight Source Life (hours) with Normal Mode: 30000Lamp Watt: RGBB LEDLens: F=1.8, f=8.5mmProjection Offset: 100%+/-5%Throw Ratio: 0.8Optical Zoom: FixedDigital Zoom: 0.8X-1.0XImage Size: 30"-200"Throw Distance: 0.5m-3.5m (100"@1.77m)Keystone: H:+/-40° , V: +/-40°Audible Noise (Normal): 26dBAudible Noise (Eco): 25dBLocal Storage: Total 16GB (12GB available storage)Input Lag: 37msResolution Support: VGA(640 x 480) to 4K(3840 x 2160)HDTV Compatibility: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160pHorizontal Frequency: 15K-135KHzVertical Scan Rate: 23-120HzInputHDMI: 2 (HDMI 2.0, HDCP 1.4/2.2)USB Type C: 1 (5V/ 2A)Audio-in (3.5mm): 1Audio-in (Bluetooth): 1 (BT4.2)USB Type A: 2(USB2.0 Reader x2)SD Card: Micro SD (256GB, SDXC)RJ45 Input (Internet): 1Wifi Input: 1 (5Gn)OutputAudio-out (3.5mm): 1Audio-out (Bluetooth): 1 (BT4.2)Audio-out (HDMI ARC): 1(Share with HDMI Input)S/PDIF: 1Speaker: 8W Cube x2(tweeter + woofer) x2USB Type A (Power): 2 (USB2.0 - 5V/1.5A x2, share with USB A Input)