Retrofit Alarm Kit Transparent Product Image

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

Key Features

  • 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).

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Tech Specs

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
Battery Life
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)
Operating Conditions
32°F to 120°F (0°C to 49°C)

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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 for pricing and details.