120 VAC 60Hz power with power cord or plug-in powermodule (other power optional)
Built-in controls for setting and controlling all clock / timer functions.
(remote switch panels optional).
Black Anodized Aluminum Enclosures for indoor installations
These clocks show DDD HH MM SS - Days, Hours, Minutes and Seconds
Alternately they can be used as Julian Clocks - showing the day of the year in 24 hour format or as a Project Completion Clock - showing DDD HH MM SS until the project completion date.