The Brand New Honeywell 5816 5816WMWH Wireless Door/Window Sensor with Magnet by Resideo is a reliable and efficient security device designed for use with windows. This transmitter, in a sleek white color, is compatible with various brands such as Honeywell, ADT, MONITRONICS, FIRST ALERT, and Brinks. Manufactured in 2017, this model offers peace of mind for homeowners looking to enhance their home security system.