All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
100% brand new and high quality Active Piezo Electric Buzzer Alarm.
Active piezo electronic buzzer module support DC 3-24V wide voltage power supply. It is a continuous Tone will Beep continuously.
Sound Output: Min sound output: 90dB, Response Frequency: 3000±500Hz
Rated Current: 15mA, Module Size: 30 X 15mm/1.18 X 0.59inch(D*T)
With 2-wire pigtails, just connect to to any power supply from 3 to 24 Volts. Complete drive circuit incorporated for direct operation from DC power source.