Plus, at a time when TVs and displays are transitioning from HD to 4K resolution, none of these tiny projectors has even full high-definition imaging, mustering 720p resolution at best. When using one of these projectors, you run the risk of having washed-out images if the lights are turned on or the blinds are up on a sunny day. Others deliver a lot less, putting them on a par with a strong flashlight. On the downside, even the brightest of the bunch puts out only about 700 lumens of light, about one-third the illumination of a conventional - and much larger - projector. Because of this, some can be battery-powered, lasting from about 30 to 90 minutes on a charge - which means they don't have to be set up near an AC outlet. Rather than conventional high-pressure lamps, these tiny wonders get their light from low-power LEDs. They're relatively light on the wallet as well, costing from $300 to about $550. or less, yet have the power to turn a screen or white wall into a presentation or entertainment zone. These mighty mites of the projection world (also known as pico, pocket or micro projectors) are no bigger than a paperback book and weigh 1 lb. I gathered together four recent models - the LG Minibeam PH300, the Miroir MP150W, the Optoma ML750ST and the Rif6 Cube - to see how they perform. But with the latest generation of mini projectors, most small enough to sit in the palm of your hand, you can carry the equivalent of a big-screen display around with you. If you're on the road and want to give a presentation to your clients, you're not going to impress them if they have to squint over your shoulder at a laptop screen.
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