Check the listing for details. NOTIFIER SDRF-751 WIRELESS (YES!) PHOTO. DETECTOR HEAD W/BASE (17 AVAILABLE). Condition: Seller refurbished. Listed at 195.00 USD. DESCRIPTION: NOTITIFER SDRF-751 ADDRESSABLE WIRELESS FIRE ALARM DETECTORS HEAD(S). NOTIFIER MADE WIRELESS COMMERCIAL FIRE PRODUCTS FOR SOME YEARS, AND STOPPED PRODUCTION WHEN UL864 9TH EDITION CAME INTO THE CODES. THESE DETECTORS ARE NO LONGER MADE OR AVAILABLE, AND IMPOSSIBLE TO FIND IN ANY CONDITION OR QUANTITY. IF YOU HAVE A NOTIFIER COMMERCIAL WIRELESS FIRE ALARM, THEN STOCK UP WHILE WE HAVE THEM...WE HAVE NEVER EVER SEEN THEM BEFORE FOR SALE ON EBAY, OR ANY WEBSITES. NOTE: NEW WIRELESS BATTERY (LITHIUM) INCLUDED WITH YOUR ORDER. SEVENTEEN (17) AVAILABLE TO BID ON, BID ON QUANTITY YOU DESIRE. 1 BID + QTY. 1 NOTIFIER SDRF-751. THANKS! CHECK OUR FEEDBACK FOR YOUR ASSURANCE OF SATISFACTION AND SPEEDY SHIPPING. THESE DETECTORS INCLUDE A ONE YEAR REPLACE OR REFUND ASSURANCE PLAN FROM FIREALARMPART.COM (OUR HALLMARK, READ OUR FEEDBACK!). FREE USPS PRIORITY MAIL SHIPPING WITH YOUR ORDER. Disclaimer: We are not affiliated with any fire alarm manufacturers or dealers. We offer high quality new and seller reconditioned reliable fire alarm parts to help you maintain your existing fire systems. We buy, sell, and liquidate excess fire alarm parts. While FIREALARMPART.COM (A dba of: Diversified Fire & Communication LLC) strives to make the contents of this site accurate, we cannot make any guarantees about the accuracy, completeness, or adequacy of the contents of this site. No warranty of any kind, implied, expressed, or statutory, including but not limited to the warranties of non-infringement of third party rights, title, merchantability, fitness for a particular purpose or freedom from computer virus, is given with respect to the contents of this website or its links to other Internet resources. Reference in this site to any specific commercial product, process, or service, or the use of any trade, firm or corporation name is for the information and convenience of the public, and does not constitute endorsement, recommendation, or favoring by FIREALARMPART.COM. All fire alarm parts should be installed and tested by a certified fire alarm professional as required by local codes and NFPA.