Gentex GN-503 (918-0005-002) Smoke/CO Alarm with temporal 3 , 4 Tones VICTÓRIA This device is especially effective

This device is especially effective in meeting NFPA 72 low-frequency sound requirements for sleeping spaces

3-8 Channel

These manual stations are used in the polling circuit of the Bosch Security Systems

or Temporal 3 (T3) with Anechoic sound levels adjustable up to 80 dB and tone frequency of 890 Hz

— IFP-100 Intelligent Fire Panel

Gentex GN-503 (918-0005-002) Smoke/CO Alarm with temporal 3 , 4 Tones VICTÓRIA This device is especially effectiveThe GN 503 (120VAC 9VDC) Series of combination photoelectric smoke and electrochemical sensor carbon monoxide alarms are for use as evacuation devices in all dwelling units, including but not limited to homes, apartments, hospitals, hotels, motels and other commercial occupancies. The GN 503 Series is listed in compliance with ANSI UL 217, ANSI UL 2034, for installation per NFPA 720 and NFPA 72. Available in three models, the GN 503 Series is