The WSX family of wall switch occupancy sensors provide simple and cost-effective solutions for commercial and residential lighting control applications. With your choice of passive infrared (PIR) or dual technology (PDT) with PIR plus patented Microphonics detection, the WSX family provides reliable sensing and dimming performance optimized for your space. Features Finish:?Ivory Type: Passive infrared (PIR) Operating Mode: Vacancy (default) or auto-on Voltage: 120-277 VAC Temp / Humidity: Standard Programmable with Sensor Switch VLP app or traditional push button, refer to ordering information for availability Compatible w/LEDs, electronic & magnetic ballasts, CFLs, & incandescents 100% passive detection, no potential for interference with other building systems Small motion detection to 20 ft Push-button programmable without removing cover plate - adjustable time delays & operating modes Dual technology (PDT) utilizes PIR/Microphonics??detection (patented) Self-grounding mounting strap Ultra low current leakage (