Sony HVL F28RM External Compact Flash w Warranty +Accessories Bundle Brand_Optoma It can be controlled directly It can be controlled directly from the camera and is small enough to fit in a pocket while offering professional durability as well as wireless radio communication for a wide range of applications 3H INPUT OUTPUT HDMI Yes x 1 DisplayPort Yes x 1 Headphone Out Yes USB Up stream Yes USB Down stream Yes x 2 POWER Type Adapter Input 100 240Vac It offers versatile features and detailed control plus the solid reliability needed for professional and advanced amateur applications in a compact Exposure Control Sony ADI P TTL Flash Modes Hi Speed Sync