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
The 2151 low-profile photoelectronic detector uses a state-of-the-art optical sensing chamber. This detector is designed to provide open area protection and to be used with compatible UL listed contro
Support AHD-H series front-end non-real-time encoding; Support VGA,HDMI HD 1080P output; Support XM Cloud technology, easy to achieve a variety of network penetration.