ecobee Smart Sensor for Doors & Windows 2 Pack - Wifi Contact Sensor for Home Security, Energy Savings - Compatible with Smart Thermostats - Temperature sensor, white

Real-time notifications whenever a door or window is opened or closed through the ecobee app. When paired with ecobee Smart Thermostat Premium, it can play a chime when your SmartSensor for doors and windows is opened, for greater peace of mind. No Smart Security Subscription required to use this feature.
Place SmartSensors near your valuables like drawers, safes, and medicines cabinets, and receive instant notifications if they are opened.
Installation is quick and easy. Simply, attach a SmartSensor to a door, window, entryway, or other areas that contain valuable items drawers, safes, and medicine cabinets.
SmartSensors gives you peace of mind that’s powered by an easily replaceable battery designed to last up to 3 years.
With an ecobee Smart Security subscription you’ll unlock real-time push notifications when the system is armed. It can detect motion from a range of up to a 120° arc 16 feet away, notifying you when doors or windows are opened unexpectedly, or when unexpected motion is detected in your home.
Comes with an industry-leading 3-year warranty.