All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
The 4-channel relay interface board can directly control Arduino, AVR, PIC, ARM, PLC and other microcomputers, and can also control various high-current electrical appliances and other equipment.
5V 4 Channel Relay interface board, Maximum load: AC 250V/10A, DC30V/10A.
It is an 4-channel relay interface board, which can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, PLC, etc.
Each channel module can be set high or low triggered by jumper.
Interface design user-friendly, all interfaces are available through the wiring terminal direct connection leads and very convenient.