VEXEN electric ALIO PRO MF-360-12HW motion detector offers a high energy efficiency through regular light balancing. Fits on the ceiling and sees everything you need! Detector applications in small to large-size offices, conference and meeting rooms, class rooms as well as sports halls. Following quick and easy installation, rotary knobs easily let you adjust detection switch-off delay and lux value. VEXEN electric ALIO PRO version sensors offer the optimum, professional solution with 5 years warranty.