1With a built-in compound diaphragm large volume speaker, create a wide range of auditory sound effects. 2HD image processing reduces jagged sense, smooth and clear picture, more outstanding details. 3It adopts diffuse reflection imaging, can protect eye, so even if you watch it for a long time, you will not feel visual fatigue, suitable for the whole family. 4Double vortex fan system, surging power, efficient heat dissipation, concealed cooling design of turbine circulating airflow, the system comprehensively optimizes the wind path curve, strongly improves the heat dissipation effect, and ensures the stable 5Rich extension interface, such as double USB, HDMI, YGA/ headphone interface, AV, KTV equipment, audio equipment, support access to game host, can create more entertainment.Features: With a built-in compounddiaphragm large volume speaker, create a wide range of auditory sound effects. HD image processing reduces jagged sense, smooth and clear picture, more outstanding details. It adopts diffuse reflection imaging, can protect eye, so even if you watch it for a long time, you will not feel visual fatigue, suitable for the whole family. Double vortex fan system, surging power, efficient heat dissipation, concealed cooling design of turbine circulating airflow, the system comprehensively optimizes the wind path curve, strongly improves the heat dissipation effect, and ensures the stable and smooth operation of the system. Rich extension interface, such as double USB, HDMI, YGA/ headphone interface, AV, KTV equipment, audio equipment, support access to game host, can create more entertainment. Support image zoom, 360 rotation, and support viewing images in full screen. Specification:Supported Languages: Czech; Chinese; English; Danish; German; Spanish; Greek; French; Croatian; Italian; Hungarian; Dutch; Norwegian; Polish; Portuguese; Russian; Romanian; Slovenian; Serbian; Finnish; Japanese; Korean; Slovak. 23 languages (Japanese, Korean language requires separate flash software) Physical Resolution: 800x 480 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: 0.8M-3.8M / 2.6-12.5ft Best Projection Distance: 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 controloperation