It is a 1-channel solid state relay board, which can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, PLC, etc.
Specifications
Current
Current per relay - 20mA
Switching Current - up to 2A(Maximum)
I/O Pins
1 Digital Input (Low Level)
Input Voltage
Switching voltage - 75 to 264V AC (50/60Hz).
Length x Width x Height
25mm x 34mm x 25mm
Operating Voltage
0 ~ 1.5V state low relay ON
2.5 ~5V state high relay OFF