---
product_id: 293842567
title: "24V Transformer C Wire Adapter for Thermostat and All Versions of Ring Doorbell, Compatible with Nest 1st/2nd, Ecobee, Honeywell,Sensi, Sensi Smart WiFi Thermostat,Nest Hello Doorbell Supply"
brand: "liansum"
price: "€ 24.10"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/293842567-24v-transformer-c-wire-adapter-for-thermostat-and-all-versions
store_origin: PT
region: Portugal
---

# 24V / 500mA stable power output 315-inch (8m) ultra-long cable Built-in safety: short circuit & overheat protection 24V Transformer C Wire Adapter for Thermostat and All Versions of Ring Doorbell, Compatible with Nest 1st/2nd, Ecobee, Honeywell,Sensi, Sensi Smart WiFi Thermostat,Nest Hello Doorbell Supply

**Brand:** liansum
**Price:** € 24.10
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your smart home like a pro—never miss a beat!

## Quick Answers

- **What is this?** 24V Transformer C Wire Adapter for Thermostat and All Versions of Ring Doorbell, Compatible with Nest 1st/2nd, Ecobee, Honeywell,Sensi, Sensi Smart WiFi Thermostat,Nest Hello Doorbell Supply by liansum
- **How much does it cost?** € 24.10 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/293842567-24v-transformer-c-wire-adapter-for-thermostat-and-all-versions)

## Best For

- liansum enthusiasts

## Why This Product

- Trusted liansum brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Extended Reach:** 8 meters of cable lets you place your thermostat or doorbell exactly where you want it.
- • **Effortless Installation:** Non-polarity 2-pin wires and 26 ft cable make setup a breeze—no electrician needed.
- • **Reliable & Safe Operation:** Advanced circuitry prevents short circuits, overvoltage, and overheating for peace of mind.
- • **Universal Smart Home Power:** Seamlessly powers Nest, Ring, Ecobee & more—one adapter to rule them all.
- • **Optimized for Constant Power:** Ensures your smart devices run smoothly 24/7 without interruptions or power drops.

## Overview

The LIANSUM 24V Transformer C Wire Adapter delivers a steady 24V/500mA power supply compatible with a wide range of smart thermostats and doorbells including Nest (1st/2nd gen), Ring, Ecobee, Honeywell, and more. Featuring an ultra-long 8-meter cable and easy 2-pin non-polarity wiring, it enables hassle-free installation while built-in safety protections guard against short circuits, overvoltage, and overheating. Perfect for professionals and smart home enthusiasts seeking reliable, continuous power for their connected devices.

## Description

LIANSUM 24V Transformer C Wire Adapter for Thermostat and All Versions of Ring Doorbell, Compatible with Nest 1st/2nd, Ecobee, Honeywell,Sensi, Sensi Smart WiFi Thermostat,Nest Hello Doorbell Supply

## Features

- LIANSUM Adapter Compatible with the following devices: Compatible with smart thermostats ( Nest 1st/ Nest 2nd, Ecobee, Honeywell, Sensi, Emerson, Hive, etc ) and doorbells ( Ring Video Doorbell, Ring Video Doorbell 2, Ring Video Doorbell Pro, Nest Skybell, Zmodo WiFi smart doorbell, Nest Hello doorbell, Eufy, Skybell, Arlo etc.) and other devices that require 24 volt power With constant power and constant operation
- Product Parameters: Input AC 120V, 60Hz 0.2A, output 24V / 500mA. Cable length is 315 inches / 8 meters.
- Easy To Install: 2 pin non-polarity wires support easy and quick install, Assemble along the wall from your outlet to the doorbell and thermostat, 26 ft cable is long enough to plug it into an electrical outlet inside or outside your house.
- Security: Special design and materials ensure that provide the best current output connected to your device. Prevent short circuit, overvoltage, overcurrent, overheat, ensure charging safety.
- Please note: Please check whether your device is the model in the details before purchasing. Note: Competible with Google Nest Thermostat 1st/2nd, Not Competible with Nest Thermostat 3rd.

## Images

![24V Transformer C Wire Adapter for Thermostat and All Versions of Ring Doorbell, Compatible with Nest 1st/2nd, Ecobee, Honeywell,Sensi, Sensi Smart WiFi Thermostat,Nest Hello Doorbell Supply - Image 1](https://m.media-amazon.com/images/I/61czGkZdNDL.jpg)

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**Shop now:** [https://www.desertcart.pt/products/293842567-24v-transformer-c-wire-adapter-for-thermostat-and-all-versions](https://www.desertcart.pt/products/293842567-24v-transformer-c-wire-adapter-for-thermostat-and-all-versions)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-02-06*