FainWan 2pcs 2 Channel Relay Module with Optocoupler 5V Active Low Level Amplifier Trigger JD-VCC Relay Power VCC Power

Low-level amplifier active, input voltage range: 0-5V.
Relay contact capacity 250V 10A, the output is normally open or closed.
LED light is used to indicate the relay output state, can be directly controlled the standard interface by micro-controller (Ar-duino, 8051, AVR, PIC, DSP, ARM, TTL logic etc.)
Applications: Supports all MCU control, The industrial field, PLC control, Smart home control, VCC system Power and so on.