This Aico Heat Alarm EI144RC is an essential addition to your home security system. Designed to detect high temperatures, this alarm will alert you to any potential fire hazards. The battery is not included, but the device is easy to install and can be used with any standard smoke detector. you can be assured of its reliability and effectiveness. This heat alarm is ideal for use in any home or office setting, and its sleek design will fit in seamlessly with any decor. Protect your family and property with this top-quality Aico Heat Alarm EI144RC.