Kingear GM50 Mini Portable Household LED Digital Video ProjectorSupportAV/USB/SD/VGAHDMI 1,The good ventilation desgin has largely improved the stability and life span for the projector 2,The LED lamp works for over 20,000 hours ,provide super clear picture. 3,Contains professional troubleshooting and protection measures 4,Projector is small and light so you can easily carry it.Low power consumption, echo-oriented(Energy saving and environment conservation)Multi-function is provided.