Type:Digital Projector Style:DLP Use:Business & Education,Home Home Theater Projector:Yes Portable:Yes Brightness:50 Lumens Contrast Ratio:1000:1 Color:Black Light source:Led Light Lamp Life:20000hours OS:Android 6.0 Language:ALL resolution:845*480(wvga) BT:BT4.1 RAM:2GB 1GB ROM:8GB 16GB 32GB WIFI:2.4GHz 5.8GHz 802.11a b g n ac