Lens: High light transmission coated lens Display Technology: 0.23" DMD+RGBLED Resolution: 1280X720 (support 4k decoding) Brightness: 400 lumens Uniformity: above 98% Color Gamut: >=120% NTSC Contrast ratio: 1000:1 (FOFO) Projection size: 30~300 inch 3D display: support Off-axis offset: OFF-SET: 100% Throw ratio: 1.2:1 (76"@2M) for reference , subject to actual measurement Electronic keystone correction: with automatic keystone correction function, vertical (+/- 40 degrees), manual horizontal (+/- 40 degrees) Projection mode: front projection, projection rear, ceiling mount Focus mode: electric focus Touch control: support Input/output ports: HDMI 1.4*1, USBx1, TYPE-Cx1, earphone*1, DC 19V3.42A, wifi, Bluetooth Performance multimedia: Audio (audio format): MP3 / OGG / AAC / M4A / FLAC / 3GP / WAV Video (format at video):: MP4 / MOV / 3GP / AVI / DIVX / FLV / M2TS / MKV / MPG / RMVB / TP / TRP / TS / WMV / VOB / DAT / H.265.4K Image format: JPG / JPEG / GIF/BMP/PNG Power consumption: 65W Battery: 20000MAH Length, width and height: 152mm x 93mm x 85mm Weight (g): net weight 0.87kg Light source: RGB LED Lamp life LED: over 30000 hours, 4 high-brightness, high-efficiency LED lamp beads optimized by Osram for micro-projection Standard Accessories: AC adapter, remote control Speaker: Built-in 5W sound cavity speaker Noise: