1/2/4/8 channel 5V12V24V relay module with optocoupler isolation support high and low level trigger expansion board
$0.35 ~ $2.42
Price includes service fee; after ordering, we source and consolidate shipping from factories.
Estimated domestic shipping ≈ $0.45(1 pieces estimated, actual cost determined at checkout)
Rated voltage
Quantity
Total 15 specifications
