Extension cable to connect the SRH remote control panel and the SRH remote head. Extension cable to connect the ERM-2400 (2.4GHz) K2.0033757 and ERM-900 (900 MHz) K2.0033758 to the SRH remote control panel and remote head. Extension cable to connect the ERM-LCS to the WCU-4, SXU-1, EXT and LBUS compatible products. Length: 25m/82ft For SRH-3, SRH-360, ERM-LCS