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Shipping from EU warehouse
no customs fees is required for EU market shipments
Warehouse : Italy
AC100-220V Battery-free wireless doorbell no battery need and no wire.It uses unique energy harvesting technology and ultra-low-power wireless technology with worldwide patents pending.Help you to save your money and power.When users press the button, energy converting module inside will change the mechanical energy into electric energy.Then the wireless module of the button sends the signals to receiver.The receiver receives the signals and plays music/react.