4 road relay module 12 v high level trigger relay four road extension board

4 road relay module 12 v high level trigger relay four road extension board. 2, the use of authentic relay;. 4, signal input signal, the public side and often start will guide;. We are committed to resolve all issues in a friendly and satisfactory manner.. Condition:: New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is applicable). If the item comes direct from a manufacturer, it may be delivered in non-retail packaging, such as a plain or unprinted box or plastic bag. See the seller's listing for full details. See all condition definitions : Brand: : Unbranded/Generic , Country/Region of Manufacture: : China: MPN: : Does not apply , EAN: : Does not apply , 。

4 road relay module 12 v high level trigger relay four road extension board
4 road relay module 12 v high level trigger relay four road extension board