Notifier FSP?951 Addressable Photoelectric Smoke Detector Notifier FSP?951 Addressable Photoelectric Smoke Detector New The FSP?951 is an intelligent plug?in photoelectric smoke detector compatible with Notifier Fire Alarm systems. It includes rotary address switches, continuous sensitivity monitoring, and dual LEDs for 360 visibility. Works with FlashScan protocol (and in some variants, CLIP) and replaces the older FSP?851 series. It is UL listed and designed for reliable smoke detection in commercial environments. Listed by: Maksim (Sales Team) "Enjoy the little things, for one day you may look back and realize they were the big things.?? Robert Brault (A positive moment brought to you by Help Resale) 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 items. Need to buy a product, but don't see it in our store? Please feel free to reach out to us and we will help you find it! Help Resale 7200 Fair Oaks Blvd Suite 120 Carmichael CA 95608 Business Hours: Monday-Friday: 9:00 am to 5:00 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)