Bosch FLM-325-I4-AI STOCK the Fire-Lite Alarms SD365CO is

the Fire-Lite Alarms SD365CO is an innovative and reliable fire and life safety device providing comprehensive smoke and carbon monoxide detection capabilities for residential and commercial buildings

door holder power (with or without a low AC drop out)

All models may be synchronized using the Wheelock DSM sync modules

5 in double-gang box

Furthermore

Bosch FLM-325-I4-AI STOCK the Fire-Lite Alarms SD365CO isThe FLM 325 I4 A and FLM 325 I4 AI modules are used to connect standard Normally Open or Normally Closed dry contact types of fire alarm devices such as pull stations or water flow devices. The modules are mounted to a cover plate for a 4inch square or doublegang electrical back box. A bicolored LED provides the module status.