Digital In-Wall Timer; Easy-to-Program; Provides up to 40 Events Per Week; Single-Pole or 3-Way Compatible; Auto Daylight Saving Time Adjustment; Atronomic Feature Provides Sunset ON and Sunrise OFF Settings or Combine Astronomic Features with Specific Times ON/OFF; CFL and LED Compatible; Low Battery Indicator; Continuously Displays Time of Day, Mode, and Load Status; Manual Override Feature; 120-277VAC; 12-28 VDC; 1800 Max Wattage AC; 4155 Max Wattage DC