Greenhouse environmental control - Four user-selectable inputs, temperature or dry - contact
Voice messages for each of the input alarms can be customized. User can record messages through unit's built in microphone
Microphone monitors high sound alarms and enables remote listen-in
AC power failure sensing with variable recognition time
Phone circuit monitors the integrity of the phone line. If phone line is cut or disconnected, an LED will flash and optionally the output relay can be tripped at the same time for a local indication of a problem
Battery condition monitor. backup power via C cell batteries accessible from front of unit.
Standard power plug so that power cord can be easily removed and fed through enclosure openings