The AH Lighting OS2108 Wall Vacancy Sensor offers convenient lighting control with passive infrared (PIR) technology, 180 detection, and coverage up to 720 square feet. Choose automatic ON/OFF or manual ON/automatic OFF operation to help reduce unnecessary lighting use. Adjustable sensitivity and a time delay ranging from 15 seconds to 30 minutes let you customize operation for your space. Designed to fit a standard wall box, this single-way sensor features a green LED motion indicator and operates at 120/277VAC, 60Hz. It supports LED, CFL, incandescent, fluorescent, MLV, and ELV loads, with maximum load ratings of 800W at 120V or 1200W at 277V.