The Square D X Series 3 A 500 W single pole occupancy/humidity sensor light and fan control back wires is an occupancy sensor, light switch, and fan control in a single, easy-to-clean matte finish. Automate lights to ON/OFF based on occupancy and available natural light to make saving energy easy. Enable manual control of the fan or lights at any time via two independent push buttons. Adjust timing for fans and lights in increments of 10, 20, or 30 minutes. Set relative humidity levels between 30-85%. Complete the look with one of the Square D X Series cover plates (not provided) that easily snaps into place for a modern, flush-facing finish to your walls. Enjoy a consistent look in your room or home with the full line of Square D X Series switches, dimmers, sensors, and receptacles. It features protective painted surface treatment. It offers 180 deg field-of-view from Passive Infrared Sensor that detects movement up to 800 sq ft and set relative humidity levels between 45 and 80%. It benefits from a combination of fan switch, humidity sensor and occupancy sensor, constituting a time and space saving for your interior. This sensor has a width of 43 mm and a height of 103 mm. By being mercury free and heavy metal free, this sensor switch is cUlus certified. Unique single gang solution provides humidity sensing and motion detection Two independent pushbuttons provide manual control of the fan or light Switching between occupancy detection (lights on/off are fully controlled) and vacancy detection (lights manual on and auto off) Independent light sensor won't turn lights on if ambient light in room is sufficient Fan and light timing can be independently set in increments of 10, 20, or 30 min