This Honeywell heat sensing device, inclusive of a mounting platform, is designed to detect rapid increases in environmental temperature. The unit operates by utilizing a thermistor sensing circuit, which reacts to changes in thermal energy within a specified area. It features a dual LED system for 360-degree visibility, allowing for easy status identification. The device is also equipped with an integrated base that facilitates simple and secure installation. This heat detection apparatus from Honeywell is compatible with various fire alarm control panels and can be used in diverse environments such as residential buildings, commercial establishments, and industrial facilities.