![24VAC, 40 VA AC Transformer Plug in with PTC Fuse Compatible with Ring Nest Doorbell UL Listed - - Amazon.com 24VAC, 40 VA AC Transformer Plug in with PTC Fuse Compatible with Ring Nest Doorbell UL Listed - - Amazon.com](https://images-na.ssl-images-amazon.com/images/I/51epym9rxpL._AC_UL600_SR600,600_.jpg)
24VAC, 40 VA AC Transformer Plug in with PTC Fuse Compatible with Ring Nest Doorbell UL Listed - - Amazon.com
![HQRP Tri-Volt (8V 20VA, 16V 30VA or 24V 30VA) Transformer Compatible with Ring, Nest and Standard Doorbells Door Chime Power Supply Adapter Door-Bell 120v-to-8v-16v-24v Replacement, UL Listed - Walmart.com HQRP Tri-Volt (8V 20VA, 16V 30VA or 24V 30VA) Transformer Compatible with Ring, Nest and Standard Doorbells Door Chime Power Supply Adapter Door-Bell 120v-to-8v-16v-24v Replacement, UL Listed - Walmart.com](https://i5.walmartimages.com/asr/bbd5476d-514e-4768-a9d5-b7e88ca65743.f124ea2d2414d01fab3ec928cd1eb764.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
HQRP Tri-Volt (8V 20VA, 16V 30VA or 24V 30VA) Transformer Compatible with Ring, Nest and Standard Doorbells Door Chime Power Supply Adapter Door-Bell 120v-to-8v-16v-24v Replacement, UL Listed - Walmart.com
![What is this thing and how do I install it? Can't find any useful info on the Ring website. : r/ringdoorbell What is this thing and how do I install it? Can't find any useful info on the Ring website. : r/ringdoorbell](https://i.redd.it/ox3pc3jdnx101.jpg)
What is this thing and how do I install it? Can't find any useful info on the Ring website. : r/ringdoorbell
![How to Connect Your Ring Video Doorbell 2 Directly to a Low Voltage Transformer (Without a Pre-existing Doorbell) – Ring Help How to Connect Your Ring Video Doorbell 2 Directly to a Low Voltage Transformer (Without a Pre-existing Doorbell) – Ring Help](https://support.ring.com/hc/article_attachments/360000866666/rvd2_direct_to_transformer_720b.png)
How to Connect Your Ring Video Doorbell 2 Directly to a Low Voltage Transformer (Without a Pre-existing Doorbell) – Ring Help
![24V 40VA Doorbell Transformer AC Power Supply Thermostat, Compatible with Nest, Ecobee, Sensi and Honeywell Thermostat, Nest Hello Doorbell and All Versions of Ring Doorbell - - Amazon.com 24V 40VA Doorbell Transformer AC Power Supply Thermostat, Compatible with Nest, Ecobee, Sensi and Honeywell Thermostat, Nest Hello Doorbell and All Versions of Ring Doorbell - - Amazon.com](https://m.media-amazon.com/images/I/41SNkyG2RdL._AC_.jpg)
24V 40VA Doorbell Transformer AC Power Supply Thermostat, Compatible with Nest, Ecobee, Sensi and Honeywell Thermostat, Nest Hello Doorbell and All Versions of Ring Doorbell - - Amazon.com
![24V 40VA Doorbell Transformer AC Power Supply Thermostat, Compatible with Nest, Ecobee, Sensi and Honeywell Thermostat, Nest Hello Doorbell and All Versions of Ring Doorbell - - Amazon.com 24V 40VA Doorbell Transformer AC Power Supply Thermostat, Compatible with Nest, Ecobee, Sensi and Honeywell Thermostat, Nest Hello Doorbell and All Versions of Ring Doorbell - - Amazon.com](https://m.media-amazon.com/images/I/41uNJj0trHL._AC_SY350_.jpg)
24V 40VA Doorbell Transformer AC Power Supply Thermostat, Compatible with Nest, Ecobee, Sensi and Honeywell Thermostat, Nest Hello Doorbell and All Versions of Ring Doorbell - - Amazon.com
![Amazon.com: Extra Long 16.4 ft Extension Cabel Video Doorbell Power Transformer 24V 500MA, AC110-120V to AC24V Ring doorbell Adapter, Compatible with Visual Doorbell and Thermostat : Industrial & Scientific Amazon.com: Extra Long 16.4 ft Extension Cabel Video Doorbell Power Transformer 24V 500MA, AC110-120V to AC24V Ring doorbell Adapter, Compatible with Visual Doorbell and Thermostat : Industrial & Scientific](https://m.media-amazon.com/images/I/71fQoN+wpdL.jpg)