4Piece DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Board

3.3v 3ma 3v 4piece 10a 65ma ps4

Channel Optocoupler High Level High Level Signal High Level Trigger Level Driver Level Driver Module Load Current Module Board Module Supports Photocoupler Photocoupler Isolation Control Relay Module Relay Module Supports Supports Photocoupler Isolation Trigger Current Working current Working voltage