SensorWorx SWX-501 Fixture Mount Sensor - PIR - Universal 360 Degrees Lens - 120-277VSensorWorx SWX 501 SWX 501 Product Description SensorWorx fixture mount occupancy sensor series is an excellent solution for high bay and industrial lighting control. With its universal lens that provides excellent range and density, this sensor removes the need to classify an application as low bay, high bay, or aisleway. Additionally, integrated tabs on its chase stem reduces installation time and fuss by firmly attaching to a fixture via a standard