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frontpage Posted by Red_Liz | Staff • 2d ago
frontpage Posted by Red_Liz | Staff • 2d ago

Ring Alarm Contact Sensor (2nd Generation)

+ Free Shipping

$15

$20

25% off
eBay
7 Comments 3,309 Views
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Deal Details
A4C via eBay has Ring Alarm Contact Sensor (2nd Generation) on sale for $14.99. Shipping is free.

Thanks to Staff Member Red_Liz for sharing this deal.

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

Editor's Notes

Written by citan359 | Staff
  • About this Deal:
    • Our research indicates that this deal is $5.00 less (25% savings) than the next best available price from a reputable merchant with prices starting at $19.99 at the time of this posting.
  • About this Product:
    • 90 Day Warranty
  • About this Store:
    • Seller A4C has a 98.3% positive feedback rating with over 3.1 million items sold.
    • 30 days returns. Seller pays for return shipping.
  • Additional Notes:
    • Please see the original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.

Original Post

Written by Red_Liz | Staff
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
A4C via eBay has Ring Alarm Contact Sensor (2nd Generation) on sale for $14.99. Shipping is free.

Thanks to Staff Member Red_Liz for sharing this deal.

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

Editor's Notes

Written by citan359 | Staff
  • About this Deal:
    • Our research indicates that this deal is $5.00 less (25% savings) than the next best available price from a reputable merchant with prices starting at $19.99 at the time of this posting.
  • About this Product:
    • 90 Day Warranty
  • About this Store:
    • Seller A4C has a 98.3% positive feedback rating with over 3.1 million items sold.
    • 30 days returns. Seller pays for return shipping.
  • Additional Notes:
    • Please see the original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.

Original Post

Written by Red_Liz | Staff

Community Voting

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Top Comments

These are absolutely fantastic for home assistant as they are just normal Z-Wave sensors. I have like 40 of them or something

7 Comments

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Yesterday
589 Posts
Joined Aug 2011
Yesterday
mrtramplefoot
Yesterday
589 Posts

Our community has rated this post as helpful. If you agree, why not thank mrtramplefoot

These are absolutely fantastic for home assistant as they are just normal Z-Wave sensors. I have like 40 of them or something
1
Yesterday
44 Posts
Joined Feb 2012
Yesterday
OutFr0mUndr
Yesterday
44 Posts

Our community has rated this post as helpful. If you agree, why not thank OutFr0mUndr

These also work in an outdoor environment. I used one on my gate for like 3 years without issue because I didn't want to pay the big bucks for Rings outdoor sensor.
2
Yesterday
922 Posts
Joined Oct 2007
Yesterday
ks_rajesh
Yesterday
922 Posts
Quote from mrtramplefoot :
These are absolutely fantastic for home assistant as they are just normal Z-Wave sensors. I have like 40 of them or something

can u pls explain how you use it ?
Yesterday
589 Posts
Joined Aug 2011
Yesterday
mrtramplefoot
Yesterday
589 Posts
Quote from ks_rajesh :
can u pls explain how you use it ?

Just need a z-wave dongle, they connect like any other z-wave device
Yesterday
572 Posts
Joined Nov 2017
Yesterday
Rudedog7
Yesterday
572 Posts
Quote from mrtramplefoot :
These are absolutely fantastic for home assistant as they are just normal Z-Wave sensors. I have like 40 of them or something
So you are saying they will work with smartthings with no problem? Looks like a homeseer sensor on the outside.
Yesterday
589 Posts
Joined Aug 2011
Yesterday
mrtramplefoot
Yesterday
589 Posts
Quote from Rudedog7 :
So you are saying they will work with smartthings with no problem? Looks like a homeseer sensor on the outside.

Should, never used it, but they are literally just ring branded z-wave sensors. They should work with anything that works with z-wave

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