1.pocket projector for sales,best pocket projector, 2.touch key ... (3M)Resolution:640*480Aspect ratio:4:3Contrast ratio:200:1Lamp:RGB LED,over 20,000hours lamp life timeSupports VGA input,AV ... mode:Manual focus,projects the size of 6"-150"Speaker:1*1W,can be connected to 3.5mm stereo headphone or ... 20pcs/ctnN.W:17.5KG G.W:18.5KG 3M RGB display pico pocket projector for sales