Oiyagai 4pcs 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

Module description: 1. The module uses genuine quality relay, normally open interfaces Maximum load: AC 250V/10A, DC 30V/10A; 2. Using SMD optocoupler isolation, driving ability, stable performance; trigger current 5mA; 3. The module Operating voltage 12V; 4. The module can be high or low by a jumper setting trigger; 5. Fault-tolerant design, even if the control line is broken, the relay will not operate; 6. The power indicator (green), the relay status indicator (red) 7. The interface design of human nature, all interfaces are available through a direct connection terminal leads, very convenient 8. Module size: 50mm*26mm*18.5mm (L*W*H) 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 Package Include: 4 x relay module