16V 30VA Doorbell Voltages Changer Hardwired Door Chimes Voltages Changer Doorbell Power Supply Unit For Rings Power Supply Thermostat Adapters

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Product description

  • Input 120VAC, 60HZ; Output 30V 16VAC, stable performances and safe to use
  • Easy to Installs The doorbell voltages changer is easy to replace and install with screws, unscrews or threaded clip to the electrical box

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