You can set high and low trigger
KNACRO 24V 1-way relay module With optocoupler 1-way relay Relay expansion board High and low trigger With LED warning lamp
Was:
$62.30
Now:
$31.15
- SKU:
- III174563
- UPC:
- 840034613322
- Condition:
- New
- Availability:
- Free Shipping from the USA. Estimated 2-4 days delivery.