I use an Epson 'PowerLite' 1761W (LCD Projector model H478A). Connections: VGA cable, USB cable, HDMI cable, Direct WiFi, Network WiFi. Remote control. 2600 lumans. Resolution is native WXGA 1280 x 800. Uses lamp type ELPLP65. Weighs 3.7lbs. Operates on 100-240vac ~ 50/60Hz. 3.0-1.4A.
Very light and small size - I carry it in my backpack along with my laptop. I regularly travel internationally primarily to Africa - so I can assure you it is durable.
Not for long distance projection but works perfect in a meeting room for presentations. Benifit of WiFi is you have the projector near the screen at the front of the room while you are located at a distance like at the back of the room - no need for cables.
Price was ~$700-$800.
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