Extension cable for ANVS night vision systems 21cm Length 4-pin ANVS / LEMO (male) to 4-pin ANVS / LEMO (female) Allows greater configuration options by increasing the length of power cable between your NVG's and battery pack Multiple cables can be connected together for even more length Connects to ANVS ball detent style powered mounts such as Wilcox DPAM, Wilcox GSGM, Wilcox L4 G02, ANVIS AVS-6 / AVS-9 / AVS-10 mounts, GPNVG-18 ANVS mount, AB Night Vision Storm & Fury Mounts, Adams Industries Surface ANVIS Mount, and similar