The White Ecobee Smart Sensor For Doors And Windows 2 Pack Is A Wifi Contact Product Details Get even more peace of mind with SmartSensor for doors and windows. They protect your home with instant notifications when an entryway or access point is opened or closed. With an ecobee Smart Security subscription, you can unlock even more and get instant alerts when any unexpected motion is detected in your home. 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. 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. With an ecobee Smart Security subscription, the SmartSensor for doors and windows detects if either has been open for more than 5 minutes, automatically pausing your HVAC system. Once the door or window has been closed for more than 30 seconds, the HVAC system resumes operation.* *This feature is compatible with ecobee smart thermostats and requires an ecobee Smart Security subscription Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.