Slide 1 of 10
Overview
Expand your OSI Smart Alarm System (Gen 2) by adding more of our OSI Contact Sensors (Gen 2) to your doors, windows and patio doors. Easy to install, just stick on door or window with double sided adhesive. No wiring, easy to use with durable and long service life. These new generation contact sensors are more resilient with newly designed antenna and dual CR2450 Lithium coin batteries, which not only gives superior signal strength and transmission, but can also be placed at
OSI Wireless Contact Sensors-Gen 2, (2-Pack ) Accessory for OSI Smart Alarm System (Gen 2), Wi-Fi wireless Door & Window Sensor, with 3M Adhesive, use on Windows, Doors, Patio
Model: OSI-ALM-G2CS
Web Code: 18467990
Sale ends: *
Available online only
Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.
What you need to know:
- Membership is $19.99 / month until you cancel.
- You can cancel at any time, but if you cancel after the first 30 days you may be subject to a service recovery fee.
What you need to know:
- Membership is $19.99 / month until you cancel.
- You can cancel at any time, but if you cancel after the first 30 days you may be subject to a service recovery fee.
Seller Return Policy
Read return policyWarranty
Check with the manufacturer for details.
For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.
What you need to know:
- Membership is $19.99 / month until you cancel.
- You can cancel at any time, but if you cancel after the first 30 days you may be subject to a service recovery fee.