High definition projector

Type: multifunctional Operating system: no operating system Resolution: 800 * 480 Power consumption: 45W Brightness: 2000-2999 lumens Speaker: built in Plug and play: support Projection mode: lifting and forward projection Projection technology: single chip LCD Wireless projection function: support Adjustment function: electric focusing Drop screen size: 54.5-150 inches Power supply: 110v-240v, 50-60Hz