Type: Digital Projector Style: DLP Use: Business & Education, Home Home Theater Projector: Yes Portable: Yes Brightness: 60 Lumens Contrast Ratio: 1000: 1 Model: S1 wirelessdlp Projector Native Resolution: 854*480 Resolution Support: 1920x1080 Aspect Ratio: 4: 3 Lamp Power: 14 W Projected Dimension: 15-100 inch Lamp Life: 20000hours Built-in Speaker: Yes Battery Capacity: 5200 mAh lithium-ion battery Output: 3.5 MM Earphone Show More