projector with interchangeable lenses just mount and no longer worry, it is ideal for situations that require large and impressive detail-focused images. with an unobtrusive design with clean lines and a quieter fan sound, it fits perfectly into a variety of environments: from tourist attractions to lecture halls, museums to meeting rooms. the projector can be purchased as a body, giving users the choice of a wide range of lenses. there are 12 interchangeable epson lenses for long and short distance projection. for those who need a complete, unconventional design solution, epson offers the elplm08 multifunctional lens package. lcd panel: 0.76 inches with c2 fine kensington protection outstanding picture quality - 4k technology projection technology: 3lcd native resolution: wuxga, 1920 x 1200, 16: 10 resolution supported: 4k technology display colors: up to 1.07 billion colors luminous intensity [lm]: 5.500 lm contrast: native contrast: 2.000: 1, contrast ratio: over 2.500.000: 1 display format: 16: 10 projection method (n, st, ust): n image size [inches]: 50 inches - 1,000 inches projection distance [m]: projection distance - wide: 1.5 m - 31.6 m (50 inch display) projection distance - tele: 2.5 m - 50.4 m (50 inch display) throw ratio: 1.44 - 2.33: 1 zoom: motorized, factor: 1 - 1.6 keystone correction: manual vertical: ? 45 ?, manual horizontal ? 30 ? audio: optional external speaker light psu: laser lamp life [h]: 20,000 high, 30,000 eco interface: usb 2.0 type b (service only), rs-232c, wlan (2x), vga input, dvi input, hdmi input, bnc input, hdbaset, audio output, stereo mini-jack , ethernet interface (100 base-tx/10 base-t), vga output, hdmi (hdcp 2.2), ieee 802.11 b/g/n wireless lan (wifi 4) (optional) energy management: ac 100 v - 240 v, 50 hz - 60 hz power consumption [w]: 345 w, 252 w (economy), 0.5 w (standby) noise level: normal mode: 34 db (a) - power saving mode: 30 db (a) (4k enhancement off) dimensions [mm]: 545 x 164 x 436 mm (width x depth x height) weight [kg]: 16.9 kg package contents: cd manual, cable cover, lens cover, power cord, quick start guide, remote control incl. batteries