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Ring
Ring Alarm Contact Sensor (2nd Gen)
$20
On the lower end for compatible contact sensors · $10 to $50 in our catalog
Before you buy
Needs the cloud
Good fit if you use Amazon Alexa, SmartThings or Hubitat.
- Runs on Ring's cloud and app. If that service goes down or shuts off, the device stops working.
- Will not work on its own. Needs a compatible hub (extra cost).
Hub requiredZ-Wave Plus device
Needs a hub first, then works with Amazon Alexa, SmartThings, Hubitat, Home Assistant.
Ring Alarm Pro / Alarm 2nd Gen
Once it is on a hub, control it from:
SmartThingsAmazon AlexaHubitatHome Assistant, via Z-Wave JS
✓ full support (native, Matter, or a built-in integration).
Run a different system? Find a contact sensor that works with Google Home or Apple Home.
Specifications
Features
- Battery life
- Up to 3 years (2x CR2032)
- Tamper alert
- Yes
Connectivity & control
- Connectivity
- Z-Wave Plus
- Hub
- Hub required
- Local control
- Needs the cloud
- Power
- Battery
Physical
- Dimensions
- 2.3 x 1 x 0.6 in
Product info
- Brand
- Ring
- Made by
- Amazon
- Type
- Contact sensor
- Region
- United States
- Availability
- In production
- Model number
- 2nd
What you get at each price
Compatible options in this category, confirmed against the manufacturer. Spend less or more with your eyes open.
Spend less
$18
Aqara Door and Window Sensor
Aqara
Hub required
Runs locally
You are here
$20
Ring Alarm Contact Sensor (2nd Gen)
Ring
Hub required
Needs the cloud
Spend more
$25
Ecolink Z-Wave Plus Door/Window Sensor
Ecolink
Hub required
