HQRP - 120V to 16.5V AC 40VA Transformer for Zmodo Nest Eufy Nutone Ring Doorbell Hardwired Door Chime Power Supply

The HQRP 24V 40VA Transformer is a reliable replacement power supply compatible with Nest, Ecobee, Honeywell, and Sensi smart thermostats, as well as compatible with Ring video doorbells and other devices requiring constant 24V AC power. It delivers stable and consistent 24V AC output at 40VA, ensuring dependable operation of thermostats, doorbells, and smart home systems. Designed as a practical 120V-to-24V replacement transformer, this unit is compatible with Nest thermostats, Ecobee thermostats, Honeywell and Sensi systems, and compatible with Ring Video Doorbell, Ring Video Doorbell 2, Ring Video Doorbell Pro, Nest Skybell Doorbell, and other 24V-powered devices. It provides a dependable solution when the original transformer is insufficient, outdated, or needs replacement.

The HQRP C-Wire Adapter 24V AC Transformer is a reliable power solution compatible with Ecobee, Google Nest, Honeywell, Emerson smart thermostats and Ring, Wyze, Blink, Eufy, Skybell, and Arlo wired video doorbells. It delivers stable and consistent AC 24V output at 300mA, ensuring continuous power and dependable performance for smart home devices. This adapter is designed as a practical C-wire solution compatible with Ecobee ecobee3 / ecobee4, Google Nest Learning Thermostat and Thermostat E, Honeywell T5 / T9, and Emerson Sensi. It helps resolve missing C-wire and low-battery issues, keeping thermostats powered continuously without interruptions. Featuring a 25 ft cable for flexible installation, this transformer is ETL Listed and built for safe, steady operation. It provides reliable constant power for compatible Ring (2020, 3, 4, Pro, Pro 2), Wyze, Blink, Eufy, Skybell, and Arlo (wired) video doorbells.

The HQRP 18-Volt AC Power Adapter is a reliable replacement transformer compatible with Nest Hello, Ring, Ring-2, Ring-3, Arlo, Zmodo, and Eufy smart video doorbells. It delivers stable and consistent 18V AC output at 500mA, providing dependable power for continuous doorbell operation and uninterrupted video monitoring. Designed as a practical replacement or backup power supply, this adapter is compatible with popular wired smart doorbell systems when the original transformer is insufficient, damaged, or needs upgrading. The included 20-foot cable allows flexible installation and convenient connection to your existing setup. Compatible with Smart Video Doorbells Nest Hello, Ring, Ring-2, Ring-3, Arlo, Zmodo, Eufy Power Supply, 20ft Cable, Black, ETL Listed.