Retrofit Alarm Kit
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. Professional installation recommended (but not required).¹ ²
- Get started with help from a professional alarm installer (recommended, but not required).
- Wire up to 8 zones with one Retrofit Alarm Kit (Note: not for use with wired smoke or CO detectors or existing keypads).
4.53 in. X 4.53 in. X 1.0 in.
(11.51 cm. X 11.51 cm. X 2.54 cm.)
2 X 3V Lithium 123 Batteries (included), non-rechargeable
5 years with 100 events per day. "Events" defined as either open/close events or the 70 minute supervisory message sent from the device to the Base Station to report that the device is online.
Z-Wave (up to 250-foot range to Base Station)
32°F to 120°F (0°C to 49°C)
Ring Retrofit Alarm Kit FAQs
Learn more about the Ring Retrofit Alarm Kit and how it can help transform your existing system into a smart alarm system so you can protect what matters most.
Anatomy of a Wired Alarm Panel - Retrofit Alarm Kit
Get a deeper dive into the Retrofit Alarm Kit wiring and more.
Wired Alarm Zone Compatibility with the Retrofit Alarm Kit
Learn more about compatibility for Retrofit Alarm Kit.
Download a Zone Wiring Cheat Sheet
Retrofit Alarm Kit Z-Wave Technical Manual
See the technical setup details for Retrofit Alarm Kit.
Failing Retrofit Alarm Kit Communication Test
Tips to help pass the Retrofit Alarm Kit communications test.
Safety and Compliance Information for Retrofit Alarm Kit
Safety and compliance for Retrofit Alarm Kit
Receiving Text Notifications When Alarm Is Triggered
Never miss an emergency when Ring Alarm is triggered by opting into text notifications from our monitoring center.