an interactive agile display that offers impressive projection in any workspace. it focuses on the needs of the user and the cooperation of people both in the workplace and outside it.technologyprojection system: 3lcd, rgb technology with liquid crystal shutterlcd panel: 0.59 inches with c2 finepicturecolor light output: 4,000 lumens - 2,800 lumens (economical) in accordance with idms15.4white light output: 4,000 lumens - 2,800 lumens (economical) in accordance with iso 21118: 2012resolution: wxga, 1280 x 800, 16: 10high definition (hd): hd readyaspect ratio: 16: 10contrast ratio: 2,500,000: 1light psu: laserlight life: 20,000 hours durability high, 30,000 hours durability ecokeystone correction: manual vertical: ? 3?, manual horizontal ? 3?video editing: 10 bits2d vertical refresh rate: 100 hz - 120 hzcolor reproduction: up to 1.07 billion colorsopticsprojection ratio: 0.28 - 0.37: 1zoom: digital, factor: 1 - 1.35lens: opticsdiagonal of the projected image: 65 inches - 100 inchesfocal length: 3.7 mmfocus: manualconnection optionsinterfaces: usb 2.0 type a (2x), usb 2.0 type b (2x), rs-232c, ethernet interface (100 base-tx/10 base-t), ieee 802.11a/b/g/n/ac wireless lan (wifi 5), wi-fi direct, vga input (2x), vga output, hdmi input (3x), miracast, audio output, stereo mini-jack connector, audio input, stereo mini-jack connector (3x), microphone input, touch interface (optional), sync input, sync output, multi-touch interface (optional)smart device connection: ad-hoc/infrastructurenetwork protocol: https, ipv4, ipv6, snmp, esc/vp.net, pjlinkadvanced featuressecurity: kensington protection, control panel lock, password protection, padlock hole, security cable hole, wireless lan unit lock, wireless lan security, password protection2d color modes: dynamic, cinema, presentation, srgb, whiteboardfeatures: a/v mute, arc correction technology, auto calibration, auto on, auto psu search, built-in speaker, cec compliant, digital zoom, direct on/off function, compatible with visualizers, dual pen support, easy presets osd menus, email notification, touch control support, home screen, horizontal and vertical keystone correction, image shift, instant on/off, interactive, interactive home screen, interactive osd menu, mail notification function, microphone input, network management , network projection, copy function in osd menu, pc interactive, notes without using a computer, iprojectioni application for chromebook, quick corner, scheduling function, mirror display, screen sharing, sliding split-screen feature, screen split function, super resolution, web control , remote control via web, whiteboard sharing function, compatible with wireless lan, iprojection, iprojecton set with qr codeinteractivity: yes - pen and touch controlcolor modes: whiteboard, cinema, dynamic, presentation, srgbprojector control: via: amx, crestron (network), extron, crestron (rs-232c only), crestron integrated partner, crestron roomview, extron ip link, extron xtp, amx device discovery, control4 simple device discovery protocolgeneral informationpower consumption: 255 w, 197 w (economy), 0.5 w (standby)power supply: ac 220 v - 240 v, 50 hz - 60 hzproduct dimensions: 356 x 395 x 133 mm (width x depth x height)product weight: 5.8 kgmax. noise level: normal mode: 36 db (a) - power saving mode: 26 db (a)temperature: storage -10? c - 60? cincluded software: easy interactive tools, iprojection, epson projector managementaccessories: connection and control unit, documentary camera, external speaker, pen tip (felt), pen tip (teflon), wireless network unitspeakers: 16 wroom type/application: meeting room, collaboration area/classroomlocation: ceiling mount, table mount, wall mountcolor: whitescope of delivery 2x pen tip (teflon), 4x pen tip (felt), digital pens, pen holder/pen stand, power cord, getting started guide, remote control incl. batteries, removable battery x2, spare pen tips, usb cable otherwarranty: 60 months at the supplier or 12,000 hours