Quantity: 1 - Color: Blue - Material: PCB - Isolation groove between the control area and the load area - Has the power and relay action instructions pull bright disconnect does not shine - If the input has signal the beginning of the common and often will have conduction - Can be used as a microcontroller development board - Can be used as a home appliance control - Control DC or AC signals - Can control AC 220V load - Normally open and normally closed contacts - Blue KF301 terminal accesses control line is more convenient - Packing list: - 1 x Module