All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
★These items are standard 125KHz RFID key fobs, read only and unrewritable.
★Each card pre-programmed with a unique ID number, first 10 digitals are printed on the card.
★Compatible with standard EM ID access devices or ID reader.
★Can not support HID!
★Can't compatible with UHF reader and encrypted readers, for example, HID, Indala, Cobra, APCiK, Paradox, Radio, Honeywell, Kaba, Isonas, Schlage, etc.