Retrofit Alarm Kit, Wired to Wireless Bridge

Connect your existing hardwired alarm sensors to your wireless Ring Alarm system, and control it all from the Ring app.
Have a wired alarm system? Make it smart with Ring Retrofit Alarm Kit, a wired-to-wireless bridge that conveniently connects your existing hardwired contact sensors to your Ring Alarm system.Requires Ring Alarm Base Station. Professional installation recommended (but not required). Please note: Existing wired contact zones must be in good working order. Requires Ring Alarm or Ring Alarm Pro, sold separately. Ring Alarm and all Ring Alarm accessories require a subscription for digital notifications, in-app features, digital arming/disarming, and integration with other Ring, Echo, and third party products. Subscription sold separately. View /protect-plans for pricing and details. Save up to $100 per year on home insurance with a professionally monitored Ring Alarm.3 Learn more. For use in the continental U.S. (excluding American Samoa, Guam, Northern Mariana Islands, Puerto Rico, and the U.S. Virgin Islands) and Canada.

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Retrofit Alarm Kit

Retrofit Alarm Kit, Wired to Wireless Bridge

Ring Retrofit Alarm Kit allows you to connect your existing wired contact sensor zones to your wireless Ring Alarm system and control it from the Ring app. Professionally install and connect up to 8 contact sensor zones with one Retrofit Alarm Kit. Receive mobile notifications when wired contact sensors on your doors and windows are opened. Arm and disarm your system with a simple tap. Even manage all your Ring video doorbells, cameras, and Alarm devices from one simple dashboard.

Ring Retrofit Alarm Kit

When armed, the Ring Alarm security kit sends notifications to your phone and tablet whenever doors or windows open and when motion is detected at home. It's fully customizable and expands to fit any house or apartment.

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Trying to add retrofit kit to existing alarm. What to do with these resistors? Was told NOT to remove resistors by a certified engineer for industrial control panels. Removing could fry everything?