DBPOWER L21 LCD Video Projector. View & download of more than 11 DBPOWER PDF user manuals, service manuals, operating guides. Projector Image Quality. The ideal operating distance is between 1 m (3.28 ft) and 5 m (16.4 ft). Narrow by model, sku, video inputs and Video Projector Display Technology. The computer and projector don't seem to communicate via USB. However, keep in mind that it only costs about $100. It is great for home theatre experience as it works well in a dark room but it is not well- recommended for business presentation, excel, PowerPoint and more. Adjust the distance between the projector and the screen. First of all, many people are impressed by the image quality. 1. First things first, the projector's native resolution stands at 1280 x 720p, which is what defines HD. It supports display resolutions up to 1080p full HD (though its actual maximum resolution is 800x480 and everything above that is downscaled when displayed), with 1000:1 contrast ratio. Please use a standard power cord with ground wire to ensure stable power supply. It is brighter than most of the projector because of its high-resolution support 1920x1080p. I have a new DBPower projector. I'm trying to connect it via the USB port. Distinguish which DBPOWER mini projectors is best for you. The DBPower T20 weighs in at 2.1 pounds, and measures 12 x 8 x 4.5 making it a “mini” size projector. [REMARKABLE BRIGHTNESS AND CLARITY]: DBPOWER L21 mini LCD video projector, upgraded bright to 180ANSI-5000Lux, 3000:1 contrast ratio, 1280x720p native resolution, supporting 1920x1080p highest resolution makes it brighter than other comparable Mini projectors on the market. The projector is most likely positioned too close or too far from the screen. About 85% of people who buy or test-drive the DBPower T20 Mini Projector really like the device. Ultra-Big Screen & Full HD 720P Native - The DBPOWER L21 full HD 1280*720P native and highest resolution 1920*1080p mini projector offers an ultra-big screen size from 40” to 200” at a projection distance of 1m-5m. The projector won't display the computer display, and the computer task bar is not showing the projector as a USB connection. The device is not exorbitantly priced but delivers everything that you need in a home theater projector. With its price tag not even reaching 100 bucks, you cannot expect too much from this device yet it is able to match and even sometimes exceed unreasonably high expectations. It features an incredible balance in brightness, contrast ratio, native resolution, and screen size. Get it now on Amazon.com. We made a comparison of nine finest 2020 DBPOWER mini projectors over the previous 2 years. The DBPOWER L21 costs virtually nothing. Please read the user manual carefully before using the projector. DBPOWER L21 LCD Video Projector, 4200L 1080P 1920x1080 Supported Full HD Mini Movie Projector with HDMIx2/USB/SD/AV Ports, DBPOWER L21 Video Projector, Upgraded 6000L 1080P Supported Full HD Mini Movie Projector with HDMIx2/USBx2, Compatible with Smart phone/PC/TV/PS4/DVD $129.89 @ Amazon.com Product Description Speaker System, user manuals, operating guides & specifications If you want to enjoy better images, the DBPOWER L21 LCD Video Projector will deliver that wherever you go. Whatever the occasion, this mini projector brings lots of fun to your family and friends. To connect the DBPOWER mini projector with a tablet or smartphone, it is necessary to use a wireless HDMI adapter. 3.DBPOWER L21 Projector.