Power your SM7-3K, SM7-3K-Z, or SmartCAM Zen using this Matrix 2-Pin to 2-Pin DC Patch Cable from SmartSystem. The braided cable provides power from a 2-pin power source to the SM7-3K or SM7-3K-Z monitor or the SmartCAM Zen digital level indicator. There are 2-pin locking LEMO-type connectors on each end, and the cable measures 20" in length. It provides between 5 and 20 VDC power, depending on your device.