The Calumet Pro Series 7" LCD Monitor is an extremely lightweight & portable monitor that means that you can enjoy broadcast-quality viewing in both color & black-&-white. It can be attached directly to your DSLR or camcorder, or be used as a remote viewing monitor when the situation warrants. The monitor's LED backlight provides longer life & uses less power & provides exceptional color saturation compared to standard LCD monitors. There are two video inputs & one audio input which allows composite (BNC, RCA) & HDMI connectivity. The monitor can be used with the latest HD video cameras & high performance DSLR cameras. It also features automatic NTSC/PAL format detection & 4:3 & 16:9 screen aspect ratios. The monitor is powered by a lithium battery (sold separately). It comes with an adapter to use Sony "L"-series batteries, but can also use other batteries with optional adapters that are available for purchase separately.