Features： - With native 720P and supporting 1080P high resolution, UHAPPY mini movie projector provides superior viewing experience for home entertainment. Aspect Ratio: 4:3/16:9, Contrast Ratio: 3000:1, Lamp lifetime: 50000 hours. - UHAPPY Home Video projector. You can get a screen size range from 43' to 200''. Support up to 1080P, provides vivid and crystal clear image for videos, movies, you can enjoy the happy time with your family or friends at home or outdoor. - UHAPPY  Video Projector support HDIMI port, VGA port, AV port, USB port and TF Card slot and 3.5mm audio jack(headphone/external audio device). Connect varieties of HD devices to easily display your content, such as smartphone, laptop, PC, DVD, PS3, X-Box... - Supports 1.3~6 m Projection Distance, ±15▫ manual keystone correction to meet your different demands. The most awesome image size is about 80~100' with 2.5~3.5 m projection distance. The built-in speaker provides excellent audio support. - Powerful Dual cooling fan design, effectively avoid overheating, extend the life of the projector. Built-in speaker offers excellent audio support. Easy to set up without the need for costly external speakers. Warm Tips: - To protect your eyes and the projector lamp life, we recommend you to stop use it after 3-4 hours continuously use every time. - We recommend to play this HD projector in ventilated place. - Clean the dust net with clean water in regular time and don't put other debris next to the projector. - This projector support play MP3/WMA/M4A/AAC/WAV, not support Dolby. - We recommend to use in dark environment for the best performance. Troubleshooting: Q：What if the image is not so clear? A：Adjust the focus wheel and keep the watching distance 1-2.2m. For clearer and brighter images, it is recommended to use in relatively dark environment. If the bottom/top of the screen is blurry, or if the image is not rectangular, adjust the ± 15° keystone correction. Q：What if there is no sound? A：If you can't hear sound from some avi/mkv files from USB flash drive, that is because of the copyright restriction of Dolby, you can watch these videos by PC. （Most projectors do not support Dolby either.) If you can't hear sound when watching videos like Netflix, just turn off dolby from the input device like PC. And most movies/TV shows can be watched via Firestick. General Specs: Plug: EU/US Plug; Technoplogy Type: TFT- Single LCD Panel + LED Technology; Resolution: Native: 1280*720 support 1920*1080p; Brightness: 140 ANSI Lumens; Contast ratio: 3000:1; Lens: F=126mm(Manual focusing); Multimedia Interface: AVVGAUSBSDHDMI*2; Speaker:  4Ω3W; Lamp: LED lamp;50000 hours; Displayable colors: 16.7K; Projection Method: Front, Rear Celling Mount, Table top; Image Zoom: Elecronic horizontal and vertical flip; image zoom; Keystone Correction: ±15° vertiacl, manual keystone correction; Projection Screen Size (inch): 43-200inchs; Projection Distance (m): 1.