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forum threadRed_Liz | Staff posted Jul 31, 2025 05:05 PM
forum threadRed_Liz | Staff posted Jul 31, 2025 05:05 PM

Ring Alarm Contact Sensor (2nd Generation) $15 + Free Shipping

$15

$20

25% off
eBay
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Deal Details
A4C on eBay [ebay.com] has Ring Alarm Contact Sensor (2nd Generation) on sale for $14.99. Shipping is free.

Note: Save at additional 10% off when you buy more (i.e. Buy 2 for $14.54 each)

Key Features:
  • Get instant mobile alerts when doors and windows open in your home
  • Now smaller to enable increased placement options
  • Easy installation with no tools required
  • Mounts to door and window frames
  • Includes 2 x 3V CR2032 batteries
  • Requires the Ring Alarm Base Station
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
A4C on eBay [ebay.com] has Ring Alarm Contact Sensor (2nd Generation) on sale for $14.99. Shipping is free.

Note: Save at additional 10% off when you buy more (i.e. Buy 2 for $14.54 each)

Key Features:
  • Get instant mobile alerts when doors and windows open in your home
  • Now smaller to enable increased placement options
  • Easy installation with no tools required
  • Mounts to door and window frames
  • Includes 2 x 3V CR2032 batteries
  • Requires the Ring Alarm Base Station

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2 Comments

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Original Poster
Pro
Staff
Aug 01, 2025 01:51 PM
8,473 Posts
Joined Jun 2022
Red_LizAug 01, 2025 01:51 PM
Original Poster
Pro
Staff
8,473 Posts
This made Front Page at the same price in May.
Pro
Aug 05, 2025 11:51 PM
2,045 Posts
Joined May 2010
artcab
Pro
Aug 05, 2025 11:51 PM
2,045 Posts
These are Z-Wave devices, and will integrate directly with Home Assistant if you have a Z-Wave dongle, no need for a Ring hub.

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