Occupancy sensors automatically turn lights ON when the sensor detects the presence of a person and will automatically turn OFF when no presence is detected for a specified amount of time (determined and preset by you). These occupancy sensors are great for rooms that are often entered while carrying things or where the switch location may be inconvenient. Laundry rooms, storage rooms and garages are just a couple of application examples.
Vacancy sensors require someone to manually turn ON the lights when required. The sensor will then automatically turn lights OFF when no presence is detected for a specified amount of time (again determined and preset by you). These sensors ensure the highest level of energy savings since the lights will never automatically turn ON. Vacancy sensors also meet residential requirements for California Title 24.