Ring - Alarm Contact Sensor (2nd Gen) (2-Pack) - White

Ring - Alarm Contact Sensor (2nd Gen) (2-Pack) - White
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Model: 4SD2SZ-0EN0
Brand: RING
(1095)
2 stores
2 Products

Alarm Contact Sensor (2nd Gen) (2-Pack)

Product Details

Connects to compatible devices via 3G, 4G, 4G LTE or Bluetooth; Split-Spectrum, ionization and photoelectric sensors; Nest app (download required); mounting hardware included

Expand your Ring Alarm system to secure each door and window in your home, and hear chirps as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar. Ring Protect subscription required, sold separately.*

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Last Updated: 2025-05-19 20:52:39

$39.59
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About this item features

Get instant mobile alerts when doors and windows open in your home with a Ring Protect subscription (sold separately).Now smaller to enable increased placement options.Easy installation with no tools required.Mounts to door and window frames.Includes two 3V CR2032 batteries.Requires the Ring Alarm Base Station.

Product Specifications

Technical Details

Manufacturer Ring
Brand RING
Item model number 4SD2SZ-0EN0
Color White
Weight 0.45 pounds
Height 1.56 inches
Depth 0.55 inches

Additional Product Information

Product Id 212475
User Reviews and Ratings
4.8 (1095 ratings)
4.8 out of 5 stars
UPC 842861111088

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1
Ring Alarm Contact Sensor 2-pack (2nd Gen)
Price:
$39.59 Visit amazon
2
Ring Alarm Contact Sensor 2-pack (2nd Gen)
Price:
$39.99 Visit amazon

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