1Built-in composite diaphragm large volume speaker. Create a wide range of tory sound effects. 2High-definition image processing reduces jaggedness, smooth and clear images, and superior detail. 3Diffuse reflex imaging protects the health of the eyes. Even if you watch it for a long time, you will not feel eyesight fatigue. It is suitable for the whole family and young people. 4Double vortex fan system, surging power, efficient heat dissipation, turbo circulated airflow concealed heat dissipation design, the system fully optimizes the air duct curve, and strongly enhances the heat dissipation effect to ensure stable and smooth 5Rich expansion interface and support for access to game consoles. Support dual USB, HDMI, VGA / headphone interface, AV, KTV equipment, o equipment, etc., to meet the fans of the projector. Create more entertainment. Features: Built-in composite diaphragm large volume speaker. Create a wide range of tory sound effects. High-definition image processing reduces jaggedness, smooth and clear images, and superior detail. Diffuse reflex imaging protects the health of the eyes. Even if you watch it for a long time, you will not feel eyesight fatigue. It is suitable for the whole family and young people. Double vortex fan system, surging power, efficient heat dissipation, turbo circulated airflow concealed heat dissipation design, the system fully optimizes the air duct curve, and strongly enhances the heat dissipation effect to ensure stable and smooth system operation. Rich expansion interface and support for access to game consoles. Support dual USB, HDMI, VGA / headphone interface, AV, KTV equipment, o equipment, etc., to meet the fans of the projector. Create more entertainment. Support image zoom; 360 rotation, you can view images in full screen. Specification: Supported Languages: Czech; Chinese; English; Danish; German; Spanish; Greek; French; Croatian; Italian; Hungarian; Dutch; Norwegian; Polish; Portuguese; Russian; Romanian; Language; Serbian; Finnish; Japanese; Korean; Slovak. 23 Languages (Japan, Korean Language Requires Separate Brush Software) Physical Resolution: 1280 x 720 Brightness: 1500 Contrast: 1000:1 Screen Ratio Column: 4:3 / 16:9 Projection Ratio: 1.4:1 Projection Technology: LCD Maximum Resolution Support: 1080P Number Of Supported Colors: 16770K Projection Size: 32-150 Inches Projector Distance: Approx. 0.8M-3.8M / 2.6ft-12.5ft Best Projection Distance: Approx. 1.2-2M / 3.9-6.6ft Keystone Correction: 15 (Manual) Lamp Life: >30000 Hours Whether Support 3D: Support red and blue 3D Operating Mode: Manual and remote operation Input Interface: AV input, USB input, Large Memory Card Or Small TF Card Reader input, HDMI input, VGA input Output Interface: Speaker, Stereo Headphone Output o Files: Support MP3, WMA, AAC o Files, Etc. Seven Sound Effects SRS Image Files: Support common formats (such as JPEG, BMP, PNG, Etc.) Video Files: Support formats such as MP4, RMVB, AVI, RM, MKV, Etc.