Taotaole Multi-media Mini 800 Lumens Portable LED Projection Micro Home Theater Projector Native Resolution 800x480 Brightness 800 Lumens Contrast 800 1 Aspect Ratio 4 3by16 9 Image size 30 to120 Inches Projection distance 3 5 to12 5 Feet With keystone correction Adjusting the picture trapezoidal distortion Multi tofunction input AVbyUSBbySDbyHDMIbyMicro USB 50W low power cost LED lamp 20 000 hours life Portable design easy to take and travel Great for outdoor movies Not recommended for PPT or business presentation ideal for home theater movies and video game use Put 2 brand new AAA batteries in the remote Aim at the IR receiver of the projector this is very important steps as the projector is controlled by IR