The Portable home theater Projector delivers clear images in low light conditions. | The audio can be played through the built-in spreaker,but if you need more audio power output,you can conncet an extrnal speaker or audio system using the 3.5mm connector. | It's very light weight and small size with respect to the home theater Projector market,different from other brands,using LED light source above 50,000 hours lif. Brightness: 4000 Lumens | Light Source: Led Light | Type: Digital Projector | Plug Type: US Plug,EU Plug,AU Plug,UK Plug | Contrast Ratio: 5001:1-6000:1 | Projective Mode: Mirror Image,Back Projection,Throwing,Ceiling | Zoom: Focus | Projection Technology: LCD | Weight: 3kg | Power: 150W | Keystone Correction: Manual Correction | Screen Scale: 4:3/16:9 | PLAY Smart Projectors Device can download various media PLAYTMers and codec's for supported format options, Support network TV broadcast,