--- product_id: 41662650 title: "OhmKat Video Doorbell Power Supply - Compatible with Ring Video Doorbell PRO - Needs No Existing Wiring - Transformer, Adapter, Power Kit & Supply All in One" brand: "ohmkat" price: "¥534" currency: JPY in_stock: false reviews_count: 8 url: https://www.desertcart.jp/products/41662650-ohmkat-video-doorbell-power-supply-compatible-with-ring-video-doorbell store_origin: JP region: Japan --- # Instant Power Easy Install USA Made OhmKat Video Doorbell Power Supply - Compatible with Ring Video Doorbell PRO - Needs No Existing Wiring - Transformer, Adapter, Power Kit & Supply All in One **Brand:** ohmkat **Price:** ¥534 **Availability:** ❌ Out of Stock ## Summary > 🔒 Secure Your Home, Effortlessly! ## Quick Answers - **What is this?** OhmKat Video Doorbell Power Supply - Compatible with Ring Video Doorbell PRO - Needs No Existing Wiring - Transformer, Adapter, Power Kit & Supply All in One by ohmkat - **How much does it cost?** ¥534 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/41662650-ohmkat-video-doorbell-power-supply-compatible-with-ring-video-doorbell) ## Best For - ohmkat enthusiasts ## Why This Product - Trusted ohmkat brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Live View Anytime:** Enables on-demand viewing for peace of mind. - • **Quick & Easy Setup:** Installs in minutes with no complicated wiring needed. - • **Reliable Protection:** Built with special electronics to safeguard your doorbell in all scenarios. - • **Professionally Tested:** Engineered to ensure full functionality of your Ring Video Doorbell PRO. - • **Power Up Your Security:** Directly powers your Ring Video Doorbell PRO without existing wiring. ## Overview The OhmKat Video Doorbell Power Supply is a revolutionary solution for powering your Ring Video Doorbell PRO without the hassle of existing wiring. This all-in-one transformer and adapter kit is designed for quick installation, ensuring your doorbell operates flawlessly while providing live viewing capabilities. Proudly assembled in the USA, it features advanced electronics for optimal protection and reliability. ## Description ## Features - Directly power your Ring Video Doorbell PRO - installs in minutes - no need for an existing doorbell or new wiring - Only supply built with special electronics to protect your doorbell under all operating and edge cases. Designed for easy split assembly through door hole and molding - Enables LIVE VIEW or on demand viewing - Professionally tested to power the full functionality of your Ring Video Doorbell PRO - not compatible with any other models - Assembled and designed in the USA ## Technical Specifications | Specification | Value | |---------------|-------| | Item Weight | 0.82 Pounds | ## Product Details - **Brand:** OhmKat - **Item Weight:** 0.82 Pounds - **UPC:** 869309000315 ## Images ![OhmKat Video Doorbell Power Supply - Compatible with Ring Video Doorbell PRO - Needs No Existing Wiring - Transformer, Adapter, Power Kit & Supply All in One - Image 1](https://m.media-amazon.com/images/I/71s9JntWt8L.jpg) ![OhmKat Video Doorbell Power Supply - Compatible with Ring Video Doorbell PRO - Needs No Existing Wiring - Transformer, Adapter, Power Kit & Supply All in One - Image 2](https://m.media-amazon.com/images/I/4158sZc-c+L.jpg) ![OhmKat Video Doorbell Power Supply - Compatible with Ring Video Doorbell PRO - Needs No Existing Wiring - Transformer, Adapter, Power Kit & Supply All in One - Image 3](https://m.media-amazon.com/images/I/515rdP1VPUL.jpg) ![OhmKat Video Doorbell Power Supply - Compatible with Ring Video Doorbell PRO - Needs No Existing Wiring - Transformer, Adapter, Power Kit & Supply All in One - Image 4](https://m.media-amazon.com/images/I/41XwhZR11KL.jpg) ![OhmKat Video Doorbell Power Supply - Compatible with Ring Video Doorbell PRO - Needs No Existing Wiring - Transformer, Adapter, Power Kit & Supply All in One - Image 5](https://m.media-amazon.com/images/I/51rjVgnOixL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars Best customer service! *by T***T on Reviewed in the United States on October 28, 2019* I ordered this product over 2 years ago (it was the old style with the pillbox inline). It worked perfectly from day one and was super easy to install. Then one day it stopped working. I figured 2 years of constant use was pretty good lifespan for it, so i went back to amazon and was going to order the exact same one again and get another two years out of it. I noticed that it looked different (the new one doesn't have the pillbox and has a quick connector), so I read through the description to see what was different. One of the things I noticed was OhmKat advertised a "Lifetime Warranty". I figured it was worth a try to see if it was still covered, and it was! They sent me out a new one the next day and my Ring was back up and running perfectly! It was just as easy to install as the first time and is working perfectly!! Thanks OhmKat!! (Pro tip: I used the old wires to pull the new ones through and it was a 2 minute job to replace the old power adaptor.) ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars So far so good! Easy installation. *by G***I on Reviewed in the United States on June 2, 2017* So far so good! I have to say that I was a bit skeptical about this power supply since I would have imagined that the Ring team would come up with such a power supply if it were possible. I am not sure why they haven't provided their own device yet. In a nut shell, this power supply does power up the ring pro doorbell and it does a very good job at it!The installation was very easy. The doorbell powered up after some time and it is working great! It took a little time for the device to fully power up. It's almost like it had to build up a charge or something. Now the ring pro is working great.I attached a picture to show what the ring app shows in the device health section. The voltage sometimes shows "3994" or something similar but I don't think that's a problem since the device has been working great.I also purchased the extender wires so that I can run the wiring a bit more conspicuously since I didn't have an existing doorbell and I don't want to drill holes.I'll update the review if anything new comes up. ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars Give yourselfmore than an hour to install *by A***R on Reviewed in the United States on July 24, 2019* The device is great especially since I originally had the battery charged Ring. The longest time is for installing this for me was to figure out where to place the Ring Doorbell Pro for best coverage without capturing the traffic. Then It did take a while to bore a hole through stucco and through interior drywall and feed the lead wire before mounting the Ring bracket. Simple to connect because I already had installed a Ring Chime. It all paired fine once I connected to Wi-Fi. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/41662650-ohmkat-video-doorbell-power-supply-compatible-with-ring-video-doorbell](https://www.desertcart.jp/products/41662650-ohmkat-video-doorbell-power-supply-compatible-with-ring-video-doorbell) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-31*