Flymmy 12V Relay Module Board 1 Channel with Optocoupler Isolation Support High or Low Level Trigger

Specification: Material: Circuit board Control signal: TTL Rated load: AC 250V/10A, DC 30V/10A Max. switch voltage: 250VAC, 30V Operating Voltage:12V Trigger Current: 5mA Max. Current: 190mA Size: 50mm * 26mm (1.96 inch *1.0 inch ) Module interface: 1. DC+: positive power supply (VCC) 2. DC-: negative power supply (GND) 3. IN: can be high or low level control relay Relay outputs: 1. NO: normally open relay interface 2. COM: Common Interface Relays 3. NC: normally closed relay interface High and low level trigger options: It is low level trigger when jumper connect to LOW pin It is high level trigger when jumper connect to HIGH pin