The Marshall Electronics M-CT710 7" TFT LCD Camera-Top Monitor with AA Battery Plate provides a lightweight 1024 x 600 LCD monitor that is perfect for photographers and videographers looking for a simple, inexpensive monitoring solution. This unit offers a composite video input and audio input, along with HDMI In/Out connectivity. It offers a variety of features including a 3.5mm stereo headphone jack, rear speaker for audio monitoring, Auto Aspect Ratio Detect, Zoom and full Color Adjustment and Focus Aid (Peaking Filter).