The BZ-150 Universal Voltage Power Pack Can Provide 24 VDC Operating Voltage to Wattstopper'S Lowvoltage Occupancy Sensors. In Addition, The BZ-150 Enables Manual-On, Hold-On, Hold-Off and Load Shed Applications When Used With Lighting Control Panels or Building Management Systems. This Device Is Constructed With Environmentally Friendly Materials and Is Rohs-Compliant.