Check the listing for details. Xfinity Door Window Sensor 2.0 LDHD2AZW, XHD2. Color: White, Condition: Open box. Listed at 9.99 USD. New open box This Xfinity Door Window Sensor 2.0 LDHD2AZW, XHD2 is the perfect addition to your home security system. It is compatible with windows and comes in a sleek white color that will complement any home decor. This unit type is easy to install and use, making it a great choice for anyone looking to improve their home security. The Xfinity Door Window Sensor is designed to detect when doors or windows are opened or closed, and it sends a signal to your security system accordingly. This model is reliable and efficient, providing you with peace of mind knowing that your home is secure. Whether you are looking to upgrade your existing home security system or install a new one, this Xfinity Door Window Sensor is a must-have.