All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
Indoor Siren】A second alarm speaker that will allow you to be able to hear the alarm upstairs and also downstairs
Pairing 】Pairing your siren to your smart phone; Tap "Scene", Tap "+" on the right corner, tap "When device status changes", choose your home alarm system, tap "Alarm","SOS", tap "Run the device ", choose your siren, "Alarm", "SOS"; Tap "Save"; After the above steps, you need to follow the above steps again to set up disarm; Just select "Disarm"
【tolviviov Siren 】Only works with tolviviov home alarm system