Features: Acer relay module, single-pole, single-throw, relay base with small, space-saving, suitable as a relay for signal isolation, each with LED operation LED and freewheeling diode absorption, terminals, mold Group stent using DECA brand in Taiwan, 35mm U-rail installation is quick, UL, VDE certification, in line with ROHS Note: according to user requirements http://www.hongantr.com/