1. Maximum load on normally open pin: AC 250V/10A, DC 30V/10A.
2. Trigger current 5mA;
3. Power indicator light (green), relay status indicator light (red);
Module interface specifications:
1. DC+ : DC power supply positive pole
2. DC- : DC power supply negative pole
3. CH1~CH6 : : relay signal triggering pin
Relay output:
1. Normally closed pin (NC1~NC6) :  relay normally closed pin
2. Common pin (COM1~COM6) :  relay common pin
3. Normally opened pin (NO1~NO6) :  relay normally opened pin