The RA Series Highbay lighting fixtures now have an advanced Microwave Motion Sensor. The sensor uses microwave technology to detect motion and control the lights. This results in energy savings as the lights turn on and off automatically. The sensor is non-intrusive and works well in high ceilings and large spaces. It can be customized for specific needs and provides reliable motion detection. Upgrade your RA Series Highbay lighting fixtures for improved energy efficiency and convenience.