Lens: High light transmission coated lens Display Technology: 0.2" DMD+RGBLED Resolution: 854*480 (support 4k decoding) Brightness: 200 lumens Uniformity: above 98% Color Gamut: >=120 % NTSC Contrast Ratio: 1000:1 (FOFO) Projection Size: 20~300 inch Off-Axis Shift: OFF-SET: 100% Throw Ratio: 1.2:1 (76" at 2 Megapixels) Electronic Keystone Correction: with automatic keystone correction function, vertical (+/- 40 degrees), the proportion of the image is not distorted after adjustment Projection mode: front projection, rear projection, ceiling mounting Input port / output: HDMI 1.4*1, SD slot*1, USBx2, earphone*1, DC 15V2A, wifi, Bluetooth Multimedia performance: Audio (audio format): MPEG1/2 Layer1/2, LPCM/ADPCM, MP3, DD+, AAC, HE-AAC, WMA Video (video format): VP6, VP8, MVC, VC1, Divx3/4/5/6, Xvid HD, FLASH7/8/9 (.flv), AVS, HD, MPEG-2, MPEG -4, H.246, RM/RMVB, full format support up to 1080p Power consumption: 25W Battery: 8000MAH Length, width and height: 125mm x 125mm x 22mm Weight (g): net weight 0.42kg, gross weight 0.95kg (color box size 23*15*9CM) Light source: RGB LED LED life: more than 30000 hours, 3 pieces of lamp beads High-brightness, high-efficiency Osram LEDs optimized for micro-projection Standard accessories: power adapter, remote control Speaker: built-in sound cavity speaker Noise: