Notifier NDM-100 28/11 and/or digitally prerecorded voice messages

and/or digitally prerecorded voice messages to alert occupants of fire or other emergency situations

has an LED light source and silicon photo diode receiving element

which provide continuity for circuit testing

The Series 65A Photoelectric Smoke Detector uses the same outer case as the ionization smoke detector and is distinguished by the indicator LED which is clear in standby and red in alarm

power limited

Notifier NDM-100 28/11 and/or digitally prerecorded voice messagesThe NDM 100(A) Dual Monitor Module is intended for use in intelligent, two wire systems. It provides two independent two wire initiating device circuits (IDCs) at two separate, consecutive addresses. It is capable of monitoring normally open contact fire alarm and supervisory devices. The module has a single panel controlled LED. Data Sheet: NDM 100