you can still install the Arlo Wired Video Doorbell by following these steps: Determine Power Source: Identify a nearby power source for the doorbell. It can be an existing electrical outlet or junction box. Install Power Source: If using an electrical outlet, plug in a power adapter that converts the outlet to low voltage (usually 16-24 volts). If using a junction box, consult a professional electrician to install a transformer. Mount the Doorbell: Follow Steps 4 to 9 mentioned in the previous guide to mount the Arlo Wired Video Doorbell using the provided bracket. Connect Wiring: Run low-voltage wiring from the power source to the back of the doorbell, following local electrical codes. Strip the insulation from the ends of the wires and connect them to the appropriate terminals on the doorbell, as per the labeled instructions. Turn on Power: Once the wiring connections are secure, turn on the power at the breaker box or by plugging in the power adapter. This will provide power to the doorbell. Set Up Arlo App: Download the Arlo app on your smartphone or tablet, create an account, and follow Steps 10 to 13 in the previous guide to add and configure the Arlo Wired Video Doorbell. By following these steps, you can install the Arlo Wired Video Doorbell even if you don't have an existing doorbell system in place.