2 Channel Relay 5v with light coupling protection expansion board have a single way  2 road relay module 5v free shipping

2 Channel Relay 5v with light coupling protection expansion board have a single way 2 road relay module 5v free shipping

Regular price $2.00 $2.00 Sale

Brand Name: NIUKETAT
Model Number: 2-Channel Relay
Usage: Relay expansion board
Protect Feature: standard
Contact Load: standard
Theory: Relay expansion board