Reduce energy waste with Intermatic occupancy and vacancy sensors. Commercial-grade ceiling-mount dual-tech (PIR + ultrasonic) units cover open offices, conference rooms, and warehouses. Line-voltage and low-voltage models available with auto-on / manual-on configurations. Pair with our IOS-PP24 / PP25 power packs for relay-based switching of larger loads. Simple wiring, robust calibration, and decades of reliable service.