Brand  Ex-Pro 

This unit provides AC Power via the "Battery socket" on the NEX Alpha series of cameras, effectively powering the camera directly without the need for the usual battery pack. Product Features AC Adaptor for cameras using Sony NP-FW-series batteries Power your camera permanently - perfect for display purposes or studio work. Compatible with Sony NEX and SLT cameras new upgraded version specifically now also compatible with A7,A7000 (excluding A65/77) Technical Details Ex-Pro AC Power Adaptor Compatible with Sony NEX and SLT cameras (excluding A65 / A77 / A3000)