Smart Doorbell Power Transformer - 18V 500mA Adapter (196in Cable) Compatible with Ring and Nest

Product Specifications Input Voltage: 120 VAC, 60Hz Output Voltage: 18V, 500mA

Load and No-Load Conditions - Load Voltage: When the doorbell is running, the voltage is 18V. - No-Load Voltage: The output voltage without a load is about 23.5V, which is normal and will not affect any use. - Testing: Use an AC voltmeter or a multimeter to test the output voltage value and a voltage tester to get the accurate voltage output data.

Compatibility - Compatible with Ring, Nest, and other video doorbells. - No need to remove the original battery; simply connect the 18V, 500mA doorbell adapter to your video doorbell. - Maintains hardwired power supply, ensuring your device remains fully charged for a long time. - Note: This is not a charger; the brand mentioned is only for demonstrating compatibility.

Easy Installation - Assemble along the wall from your outlet to the doorbell, without the need for existing wiring. - Super easy to install and can be set up in minutes.

Hardwired Power Transformer - New upgrade design to completely solve noise issues during use. - Stable 18V, 500mA output ensures your visual doorbell works perfectly and normally.

Quality Assurance and Support - Crafted by a professional doorbell transformer design and production team. - Continuously improving to address consumer troubles. - If you encounter any issues during use, our team is always available to provide a satisfactory solution.