Check the listing for details. GE - 2 Indoor Window Door Alarm Sensor Model # 36019. Color: White, Condition: New. Listed at 19.99 USD. GE - 2 Indoor Window Door Alarm Sensor Model # 36019The GE Security Window/Door Alarm provides a simple-to-use, cost-effective security solution to protect you and your family against home invasions. Perfect for homes, apartments, dorm rooms and offices, it includes two independent window/door alarms, each with a built-in 100-decibel alarm. The window/door alarms feature a contemporary design with easy access buttons to set your sound to off, chime, or alarm. This straightforward concept makes using the GE Security Window/Door Alarm intuitive. With no wires required for installation, protecting any window/door in your home is easy - simply attach the alarm to your window/door with included double-side tape. Each window alarm features a low battery test button for checking battery life and uses 4 included LR44 batteries.Easy to install and requires no wiringIncludes two 100-decibel window/door alarms for peace of mindWindow/door alarms feature easy access off/chime/alarm switchLow battery test button to check battery lifePerfect for dorms, offices, homes, or apartmentsAll mounting hardware includedEach alarm requires 4 LR44 batteries (included) New Sealed Package/Nuevo Paquete SelladoShipped with USPS First Class Package.We speak Spanish/Nosotros hablamos español*IF YOU HAVE A DOUBT OF THE ARTICLE BEFORE PURCHASING IT, PLEASE CONTACT US, WE WILL EXPLAIN YOUR DOUBTS AND YOU WILL BE SURE OF YOUR PURCHASE*SHIPPING FREE!!!