Ring Retrofit Alarm Kit – existing wired security system and Ring Alarm required, professional installation recommended

This product is for customers with functional wired contact sensor zones from an existing security system who wish to make the switch to the Ring Alarm system. The Ring Alarm system (sold separately) is required to enable Retrofit Alarm Kit functionalities.
Connect your existing wired contact sensor zones from an existing security system to the Ring Alarm system with Retrofit Alarm Kit.
When connected to Retrofit Alarm Kit, doors or windows with existing wired contact sensor zones will function as part of the Ring Alarm system. With a Ring Protect subscription (sold separately), receive mobile notifications and arm or disarm your Ring Alarm system from the Ring app.
With a Ring Protect subscription (sold separately), manage all your Ring Alarm devices, including connected existing wired contact sensor zones, and your Ring doorbells and cameras through the Ring app.
Installation by an experienced security system installer or licensed electrician recommended.
Get 24/7 emergency services and professional monitoring with an eligible Ring Protect plan.
Works with Alexa to arm, disarm, and check the status of your Ring Alarm system with a Ring Protect subscription (sold separately).