LOT OF 20 DOOR WINDOW SENSOR 2.4 GHz XFINITY XHS2-UE COMCAST/ZIGBEE HOME SECURIT Before Purchase: Please ask any/all questions related to this item to make sure you're purchasing the correct item and verify it's compatibility to avoid any frustration. After Purchase: If you're not satisfied with your purchase or have any questions/concerns, please contact us via Messaging and give us an opportunity to resolve any issues. Note: We respond to messages in the order they're received, please allow some time for us to get back to you, sending multiple messages will only cause delays in getting back to you. Once again, please give us an opportunity to resolve any issues/concerns with your purchase. We want to make sure you're happy satisfied with your purchase. Hours of Operation: Monday through Friday from 10:00am to 4:00pm Central Standard Time Closed on Weekends Public Holidays LOT OF 10 DOOR WINDOW SENSOR 2.4 GHz XFINITY XHS2-UE COMCAST HOME SECURITY. DOOR WINDOW SENSOR XFINITY XHS2-UE COMCAST HOME SECURITY Door/WIndow sensors are designed to secure the perimeter of the residential premise, and provide the ability to add various automation services. The Door/Window sensor, which consists of a magnet that attaches to a door or window, will communicate door events to the home security system. When the magnet is moved away from the sensor, a signal will be sent to convenience lighting based on system settings. Type: Door Window Sensor Package Dimensions: 3.46 x 2.52 x 1.02 inches Item Weight: 1.69 ounces Brand: Xfinity Part Number: XHS2-UE Model: XHS2-UE Type: Door Window Sensor This listing has a 30-days money back guarantee 20% RESTOCKING FEES AND SHIPPING WILL BE CHARGED. IF ITEM IS FUNTIONAL OR INCOMPLETE. An Important Message Regarding USPS Tracking Numbers Due to high volume of shipments sent through USPS, Tracking numbers get recycled on occasion. This means, when you receive the notificaiton that your package has been shipped via USPS, and you try to track the status of the package, it may show your package was Delivered even though the label was just generated. Please don't panic, the solution to this issue is to wait until the Post Office scans the label, then the tracking information will update accordingly. Please let us know if you have any questions. Your feedback is extremely important to us! If you are satisfied with our service please take the time to give us positive feedback. We tremendously appreciate it! We strive for your complete satisfaction. Likewise, if you have any issues, please contact us first, and we promise we will do our best to satisfy your needs and solve the problem. If we resolve your problem, we kindly ask you to still leave us positive feedback. Your kindness will be extremely appreciated!