Brightness: 1400 lumens, you can adjust the brightness and resolution by turning the focus wheel.2) You can mount the projector on the ceiling or table for projection and back projection.3) 16.77 million projected colors, true color reproduction handles bright and clear colors. 1000:1 contrast ratio, up to 120" large screen, 0.8-4.5m projection distance. Enjoy home theater anywhere in your home. You can project it on a large or small walls and ceilings.4) It can be charged as a power bank while playing video, so it's portable and you can take it anywhere, even outdoors.5) Low power consumption, fast response time, copper cooling system cooling, even if you use it for a long time, it will not get hot.6) Rich features: HDMI, USB, AV, EARPHONE, you can connect a variety of devices, cell phones, computers, TVs, TV boxes, USB drives, hard drives, TF cards, speakers, cameras, game consoles, etc., support a variety of formats.Movie formats: MPEG1, MPEG4, RM, RMVB, MOV, Divx, VOB, MKVAudio formats: WMA, MP3, M4A (AAC), APE, FLAC, WAVImage format: JPEG, BMP, PNG, support image resolution 1080P.7) 40000 hours long life. We support one year warranty and two years technical support, if you have any problem after purchase, please feel free to contact us, we will help you solve the problem or replace the projector with a new one for you according to the situation.More Note :If you want 1080P or better picture quality, please put the projector close to the wall or screen and slide the wheel to adjust the projection size.