The BEA 10FOCUS2 Recess-Mounted Active Infrared Presence Sensor is a recessed presence sensor. This sensor is an infrared-based presence sensor designed to effectively detect people and objects. As it is a compact sensor can be used in a variety of applications where space may be limited or additional detection is required to complement pre-installed sensors, such as on revolving doors where pinch-zone protection is needed. The Focus 2 sensor can be recessed into a ceiling. This sensor can be used on revolving doors, drive-thru windows, and in industrial applications such gate and access control.