Incorporating advanced mirror optics technology, the Aritech DD669-U Ceiling Mount Dual Motion Sensor uses a unique step and gliding focus feature to create a continuous curtain that ensures sensors never lose track of objects. The DD669-U features 18 curtains for maximum detection capability, including under crawl detection, throughout a protected area up to 65' in diameter.
Ceiling Mount Dual Motion Sensor w/18 Curtains of 20m NC Relay
Ceiling Mount Bracket for EV600 and DD600 Series
Pry-off Tamper Kit