✅ Future-proofBuilt to keep working — even if the maker walks away.
It works locally over Z-Wave, so it keeps running even if Ring shuts down the app or the servers. One thing to note: some features need a cloud subscription — the basics still work locally.
Works locally over Z-Wave — keeps running without the maker's cloud
Still in production
Some features need a cloud subscription — the basics still work locally
Based on how this device connects (local vs. cloud), whether it’s still sold and supported, and its app / subscription. A guide, not a guarantee.
Connectivity
Z-Wave
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Ring Retrofit Alarm Kit is a Wired-to-wireless bridge that connects to your existing hardwired contact sensors and transmits open/close events wirelessly to Ring Alarm. Connect up to 8 wired contact sensor zones to the device. Set up and configure the device using the Ring app. After installation and setup, monitor and receive notifications when doors and windows with wired sensors connected to Retrofit Alarm Kit open and close. The Ring Alarm Base Station is required to enable Retrofit Alarm Kit features and functions. Once setup, wired sensors connected to Retrofit Alarm Kit can be monitored just like other Ring Alarm sensors in the system.
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Ring Retrofit Alarm Kit is a Wired-to-wireless bridge that connects to your existing hardwired contact sensors and transmits open/close events wirelessly to Ring Alarm. Connect up to 8 wired contact sensor zones to the device. Set up and configure the device using the Ring app. After installation and setup, monitor and receive notifications when doors and windows with wired sensors connected to Retrofit Alarm Kit open and close. The Ring Alarm Base Station is required to enable Retrofit Alarm Kit features and functions. Once setup, wired sensors connected to Retrofit Alarm Kit can be monitored just like other Ring Alarm sensors in the system.
Hardware platform
ZM5101
Short description
Ring Retrofit Alarm Kit is a Wired-to-wireless bridge that connects to your existing hardwired contact sensors and transmits open/close events wirelessly to Ring Alarm.
Product identifier
4AW1SZ-0EN0
Countries / regions
United States of America
Certification number
ZC10-19116787
Configuration parameters
Parameter Number Name Description Format Size Min Value Max Value Default Value Parameter Values 1
Supports explorer frames
Yes
Supported command classes
Identifier Name Key Version COMMAND_CLASS_FIRMWARE_UPDATE_MD_V4
Supported notification types
Notification Type Event / State Home Security
Value cr123 color value white association groups
Group Number Maximum Nodes Supported End Point ID Group Name Description 1
From to description 255 4200 number of seconds between periodic battery reports. (heartbeats) 2 one time wakeup notification one time wakeup notification. (in addition to normal wakeup notification) 1 2 1 3600 0 from to description 1 3600 one time wakeup notification. (in addition to normal wakeup notification) 4 seconds to sleep the minimum number of seconds to sleep between application level retries. 1 1 1 60 6 from to description 1 60 the minimum number of seconds to sleep between application level retries. 5 application retry multiplier application retry multiplier. the number of seconds between a current application retry is the count of retries multiplied by this number in seconds + a small random delay. 1 1 1 5 1 from to description 1 5 application retry multiplier. the number of seconds between a current application retry is the count of retries multiplied by this number in seconds + a small random delay. 6 wait for a supervisory report the number of milliseconds to wait for a supervisory report in response to a supervisory encapsulated get. 1 2 500 5000 1500 from to description 500 5000 the number of milliseconds to wait for a supervisory report in response to a supervisory encapsulated get. texts
