Features:  Image System: TFT LCD Brightness: 800 Lumens Original Aspect Ratio: 4:3 / 16 : 9 LCD Contrast Ratio: 800 : 1 Native resolution: Up to 800 * 480 Pixels (RGB).  Support Resolution: Up to 1920 * 1080 Pixels. LED Lamp Using Life: More than 20000 hours (at least ten times longer than a traditional Lamp Projector).  Lens: F=125 Projection Distance: 1.07 ~ 3.8m Projection size: 34 ~ 130 in Color: White Keystone Correction: ±15 degrees Projection Mode : Front / rear / front ceiling / Rear ceiling Operation: Manual  Power Consumption: 50W (Max) USB Output: 5Vout-500mA Power Supply: 100V ~ 240V / 0.9A (Max) 50/60HzMain Features:800 lumens for clear and bright images. Maximum Resolution: 1080P for display size of 34 ~130inches within 1~3m. Directly play office word, excel, PPT, PDF, etc. Dual-USB interface. With remote controller, convenient for you to use. Applications: Home theater, Business conference, Entertainment, School training and so on. Specifications: Model Number: UC40 Multimedia support formats: Video formats: 3GP(H263.MPEG) / AVI (XVID. H264) / MKV (XVID. H264. DIVX) / FLV (FLV1) / MOV (H264) / MP4 (MPEG-4. AVC) / MPG (MPEG1) / VOB (MPEG2) / MPG (MPG-PS) / RMVB (RV40) Picture formats: JPEG / BMP / PNG Audio formats: MP3 / WMA / ASF / OGG / AAC / WAV File: Office word, excel, PPT, PDF, etc. Speaker: Built-in 2 * 2W I/O(Input/Output): 1 * AV (3.5mm AV Output), 1 * Earphone port (3.5mm), 2 * USB 2.0, 1 * SD Card Slot, 1 * HDMI 1 * DC in.  Color: White Main item size: 20.5 * 15.0 * 7.0cm / 8.07 * 5.91 * 2.76in  Main item weight: 996g / 35.1oz  Package size: 26.5 * 24.0 * 11.0cm / 10.43 * 9.45 * 4.33in Package weight: 1876g / 66.20oz