The SMODET4-N is a hardwired photoelectric 4-wire smoke detector with integral temp-3 sounder that is designed for open area protection.
9V to 24V DC Operation
NO/NC Change over alarm relay contacts
8 second alarm verification feature Audible emergency evacuation signal (ISO8201)
HUSH / Test Push Button
Interconnects up to 24 smoke alarms
Certified to AS3786:2014 standard
Dimensions: Ø135 x 55mm, Weight: 220g