New life forold alarms Connect your existing hardwired contact sensors to your wireless Ring Alarm system, and control it all from the Ring app. 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). Control it all fromthe free Ring app. Receive mobile notifications when connected wired zones 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 Protect Pro | 24/7 support. 24/7 peace of mind. With Ring Protect Pro, you'll get around-the-clock protection to help keep you and your home safe.