The 5151 thermal detector meets the needs for applications where rapid response is vital and rapid temperature increases would only be caused by a fire emergency.
The SpectrAlert Advance series offers the most versatile and easy-to-use line of low frequency sounder and low frequency sounder strobes in the industry.
Take your pick from 6 loudspeakers (available in charcoal or white) for high-quality sound effects across a range of frequencies - from bass to treble. Mounting brackets can be purchased separately fo
OSD menu | 1/3 SONY EX-view HAD || CCD | 600 TV Lines | Can order fix len cs or auto airis lan | Color 0.06Lux/F11.2, B/W:0.006lux/F1.2 | The day night model | IP65
ระบบเสียงประกาศ Honeywell | EVACLITE : 8 Zone Voice Alarm controller with built-in USB, MP3, AM/FM player and 8 zone paging station | INTEVIO Public Address System