... WMV, AVI(DivX, xvid), MP4, VOBInternal Battery: Yes, 1 Hour battery lifeProjector Sample: Avaliabled. board 304: Accessory projector ... Audio outvideo compatibility: No video decoding functionInternal Battery: Yes, 1 Hour battery lifeProjector Sample: Avaliable2. Optical Engine Specification: ... (Actual Typical) 45 lm Contrast Ratio ≥300:1 (FW/FB Digital) Light Source 3LED; Estimated life up to 50 ...