FDM-1 is a standard-sized dual monitor module used to monitor and supervise two independent two-wire Style B (Class B) dry-contact initiating device circuits (IDCs) at two separate, consecutive addres
This unique and patented device has been helping stop false fire alarms around the world for more than 25 years, without restricting legitimate alarms.
Offering power ratings of 10W (L-PJM10A) and 20W (L-PJM20A), these two speakers are very popular for both outdoor and indoor use. They both come with a fire-resistant cable and boast sturdy aluminium