Dimmer With Push On/off Knob, 3-Way | Controls 600 W Incandescent or Halogen Loads. Push On/off; Rotate to Adjust Light Level | Features: Auto Daylight Saving Time Adjustment, Low Battery Indicator, Cr2 Lithium Battery Provides a Minimum of 2 Years of Time Keeping Without Ac Power, Manual Override Feature, User Program Selections Are Stored in Non-Volatile Memory, 5 Year Warranty | Features: Silent Operation, Single Button Time Selection, Timer Contacts Shall Break Current at the End of Timed Cycle, 1 Year WarrantyFurbay Electric Supp