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 Show More