The Blackmagic Design Battery Converter (HDMI to SDI) is amazingly versatile andlets you work on location without external power! Now you can get the highest quality 3 Gb/s SDI conversion everywhere you go. Battery Converter is available in HDMI to SDI model and supports a huge range of video formats up to 1080p60 HD. The converter automatically switches between SD, HD and 3 Gb/s SDI standardsand supports embedded SDI and HDMI audio. Battery Converter also features a super tough design that's perfect for outside broadcast and live events!