Module Interface Description:
1. DC +: DC power supply positive;
2. DC -: DC power supply module negative;
3. IN: input terminal(support High/Low Level switch freely);
4. Normally open (NO): Relay normally open;
5. Common terminal (COM): Relay common;
6. Normally closed terminal (NC): relay normally closed terminal;

Specifications:
Type: 4 Channel
Relay Voltage: DC 12V
Output Capacity: within DC 30V 30A or AC 250V 30A
Quiescent Current: 5mA
Trigger Current: 5mA
Module Size: 128 * 68 * 20mm
Module Weight: 177g

Package List:
1 * Relay Module