We recommend that you check the voltage level on your doorbell transformer before you install the Power Kit for your Arlo Essential Video Doorbell Wired, or before you hardwire your Arlo Essential Video Doorbell Wire-Free. If your doorbell transformer does not meet the required voltage, you must upgrade your transformer before you use your Arlo doorbell.
You can check the voltage level of your doorbell transformer by one of three methods:
A multimeter is an electronic tool that measures the precise voltage level of an object.
To use a multimeter to check the voltage of your doorbell transformer:
A doorbell transformer is a device that sends the right amount of electricity to power an electric doorbell. Your doorbell transformer can be anywhere in your house, but it’s commonly found in a few places, as listed below.
If you plan to use a multimeter to check the voltage, you do not need to find your doorbell transformer. You can check your doorbell transformer’s voltage from the wires that are connected to your existing doorbell.
Look for your doorbell transformer in these common places:
Note: We recommended that you turn off power at the breaker before accessing your transformer. When in doubt, consult a qualified electrician.
Once you locate the transformer, check if there are markings to indicate the voltage and power rating. The Arlo Essential Video Doorbell Wired requires 16-24V AC for reliable operation. The Arlo Essential Video Doorbell Wire-Free requires 8-24V AC for reliable operation.
Alternatively, if your transformer has a model number shown, you can search the manufacturer website for technical specifications.