It is a 4 Channel Isolated 5V 10A Relay Module, A wide range of microcontrollers such as Arduino, AVR, PIC, ARM and so on can control it. It is also able to control various appliances and other types of equipment with a large current.
Channel: 4 channel
High current relay, AC250V-10A, DC30V-10A
support AVR/51/PIC microcontroller
VCC: connect 5V power positive
GND: connect 5V power negative
IN1-IN4: signal trigger, low active
Module size: 75mm x 55mm x 18.5mm
Net weight: 61g
