Sunao ET-100PC EN4-2350A Calendar Timer Module is a quartz-type timer that operates on 100 VAC and is part of Sunao’s ET series of calendar timers. The unit is listed with the model EN4-2350A and includes two push buttons and two switches for local control. In the ET-series catalog, these calendar timers are described as weekly-recycle timers, highlighting their ability to run on a recurring weekly schedule.
