Aube by Honeywell TI034-3W/U Solar Time Table, Programmable Timer Switch, White Sleek design mounts flush with standard decorative wall plate (not included) Two-operating modes: manual (conventional on and off switch), automatic Sunrise(off) and sunset(on) programming: no need to re-set on and off times, Sets on and off times based on the location of your city, on and off optional settings, i.e. turn lights off at midnight and on by sunrise, Easy daylight savings time adjustment Connection: single pole (2-wire) or multi switch (3-way) (500-Watt maximum and 40-Watt minimum) Dimensions (height by width by depth): 2.7-Inch by 1.8-Inch by 1.6-Inch