| Brand | Unbranded |
|---|---|
| Coil Voltage | 12V |
Check the listing for details. 12V 1 Channel Module With Optocoupler Isolation High and Low Level Trigger Relay. Condition: New. Listed at 1.19 USD. 2, using SMD optocoupler isolation, driving ability, stable performance; trigger current 5mA;. 6, the power indicator (green), relay status indicator (red). 1, NO: normally open relay interface, the relay before the vacant after the pull shorted with COM.