jiooyy 24V Doorbell Power Adapter – 16.4 ft C-Wire Transformer for Ring, Nest, Wyze, Eufy, Sensi, Honeywell Thermostats – Black

Reliable, Continuous Power for Your Smart Home

Keep your smart doorbells and thermostats energized with the jiooyy 24V Doorbell Power Adapter. Designed to plug into a standard 110–120 V outlet, it converts to a steady 24-volt AC supply at 500 mA. The long 16.4 ft extension cable offers flexible placement for door locations that aren’t right at the outlet, helping you avoid battery depletion and last-minute power interruptions.

Whether you’re protecting your entryway with a video doorbell or ensuring your thermostat stays responsive, this adapter is built to deliver dependable, continuous power. Its quiet operation means you won’t notice it while your devices stay charged, allowing for a seamless smart-home experience.

What It Powers and How It Works

The adapter is compatible with a wide range of popular devices, including Ring Video Doorbell models, Nest Thermostats, Wyze video doorbells, Eufy, Sensi, and other systems that require a constant 24V supply. It installs in minutes and helps to minimize low-battery alerts, so your doorbell or thermostat can focus on performance rather than battery management.

Key benefits you may experience include a steadier power source, quicker recovery from battery drain, and a straightforward setup that aligns with typical home wiring practices. It’s an option for households looking to maintain device readiness without frequent battery changes.

In the Box and Key Features

• 1 x 16.4 ft Cable 24V 500mA doorbell transformer (Black)
• Pure copper wire core for durable, consistent power transfer
• Silent charging design—new upgrade that minimizes operating noise
• Universal compatibility with popular doorbells and thermostats
• Simple, plug-and-use installation with clear safety notes

Installation Tips and Safety Notes

• For doorbells: unplug the adapter, connect the two wires to the doorbell terminals, then plug into an outlet and verify power with the device app.
• For thermostats: shut off the circuit, connect wires to C and RC terminals (use the included diode if RH is present), then restore power and attach the panel.
• Note: confirm your device’s voltage/current requirements match the adapter’s output before connecting. Keep wiring separated to avoid short circuits.

By design, this adapter supports continuous operation, helping you avoid the hassle of recharging or battery swaps. It’s a practical choice for households seeking reliability and ease of use in a single, compact accessory.