Note: SRD-05VDC-SD-C and SRD-12VDC-SD-C, we prepare it for customers who need it. If you don't need it, please don't place an order. No refund will be made if the selection is wrong. Thanks for your understanding!
Product pin definitions and functions:
DC+: positive power supply (selected according to relay operating voltage)
DC-: power supply ground
IN or INx: control signal input
NO or NOx: load access terminal, normally open
COM or COMx: load access, common
NC or NCx: load access terminal, normally closed

On Dec 6, 2023 at 00:58:52 PST, seller added the following information:

DataCaciques