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: Provides Direct 24-Hour Control of Most Loads, 1 to 12 On/off Operations Each Day, Minimum On/off Times of 1 Hour, Manual Override, 1 Year WarrantyFurbay Electric Supp