The GN-503FF is a combination photoelectric smoke and carbon monoxide alarm.It is used wherever the ability to distinguish between smoke and CO events is imperative.It includes battery backup and a differentiating signal for each alarm annunciation.
The GN-503FF is a combination photoelectric smoke and carbon monoxide alarm.It is used wherever the ability to distinguish between smoke and CO events is imperative.It includes battery backup and a differentiating signal for each alarm annunciation.