All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
5V 2-Channel Relay interface board, and each one needs 15-20mA Driver Current
Standard interface that can be controlled directly by microcontroller (Compatible with Raspberry Pi, Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).
With high-current relay, AC250V 10A ; DC30V 10A
Optocoupler isolation, good anti-interference
Packing list:2Pack 2 Channel DC 5V Relay Module;10 Pin Male to Female Jumper wires
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