Sensor Switch (CMR-PDT-9) Dual Technology Ceiling Mount Occupancy Sensor Sensor Switch (CMR-PDT-9) Dual Technology Ceiling Mount Occupancy Sensor The Sensor Switch (CMR-PDT-9) Dual Technology Ceiling Mount Occupancy Sensor is a set of advanced sensors designed to automatically control lighting based on occupancy. Using both passive infrared (PIR) and ultrasonic technologies, these sensors provide reliable and accurate detection, ensuring lights are only on when needed. Ideal for commercial and industrial spaces, the ceiling-mounted design allows for easy installation, while the dual technology ensures enhanced performance in a variety of environments. About Us Welcome to Help! Resale, your go-to consignment shop where value meets quality. At Help! Resale, we're dedicated to providing you with an exceptional shopping experience, whether you're looking to find the best deals or consign your gently used items. Help Resale 7200 Fair Oaks Blvd Ste 120 Carmichael CA 95608 Business Hours: Monday-Friday: 9:00 am to 5:30 pm (PST) All product and company names are trademarks TM or registered trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. (description exceeds maximum possible length)