The Marshall M-CT6 6.2" Portable Camera-Top Field Monitor with AA Battery Plate provides a lightweight 6.2" 800 x 480 LCD monitor with HDMI that is perfect for photographers and videographers looking for a simple, inexpensive monitoring solution. This unit offers two composite video inputs and one audio input, along with HDMI and VGA (PC) connectivity. A variety of features include a 3.5mm Stereo Headphone Jack, Rear Speaker for audio monitoring, Auto Aspect Ratio Detect, Zoom, Image Flip/Flop and full Color Adjustment and Battery saver switch. Users also have the ability to power this monitor using a standard DSLR battery. This feature allows the monitor to be powered using an existing DSLR battery for mobile on-the-go monitoring.