Convenient Screen Mirror Connect your iPhone- Android smart phone or tablet by WiFi Support fourcorner correction，It is more convenient to cast sideways Custom Screen Size freedom to project at the size that is right for you Fully enclosed optical machine longer life of LED light source protection from dust and improved uniformity Good heat dissipation the composite heat dissipation design of the internal turbine of the optomechanical + the external axial flow is adopted. Health and eye care diffuse imaging avoids direct exposure and protects vision Diffuse reflection imaging care for eye health reduce eye irritation children watching movies healthier. Wide range of application scenarios for home theater fitness conferences online classes and other scenarios