All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
Active piezo electronic buzzer module support DC 3-24V wide voltage power supply. It is a continuous Tone. As long as it is been powered it will Beep continuously.
Sound Output: 100dB at 12V DC 30cm, Response Frequency: 3000±500Hz, these buzzers are very loud which are not used indoors, them could be used outdoors, such as traffic, factory, etc..
Rated Current: 15mA, Module Size: 30 X 15mm/1.18 X 0.59inch(D*T)
Click here to listen to the sound of this buzzer: https://drive.google.com/open?id=1kQGO3tKDC7gLtEVgTwRIfLZ1IKtCoD_c
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