HALJIA 3PCS 2 Channel Relay Module - 5V Relay Board Expansion Board Universal Development Board Accessories with Optocoupler Compatible with Raspberry Pi Arduino PIC AVR MCU DSP ARM TTL Logic

Features: There are 4 fixing screw holes around the board, which is convenient for installation and fixing.The relay uses high quality material, single pole and double throw. a common end, a normally open end, and a normally closed end.Optocoupler isolation, good anti-interference.Low level pull-in, high level release. The status indicator is on when the inverter is closed, and the status indicator is off when released.VCC is the system power supply, and JD_VCC is the relay power supply. The default 5V relay, plug in the jumper cap.PCB color: blackMaximum output of relay: DC 30V/10A, AC 250V/10AWiring Connection instructions:VCC: Power supply positiveGND: Power supply negativeIN1--IN2: Relay Control PortSize: 51 x 39 x 19 mm Weight: 27.9gPacking List:3 x 2 Channel Relay Module