Product Information: Intermatic#39;s selfadjusting wall switch timer allows you to set it once and walk away Never bother with resetting again, unless you want to. This timer utilizes an astronomical feature to keep track of daily sunrise/sunset changes. The timer is for use with single pole or 3way applications, allowing you to control multiple devices with one timer. The large LCD display provides an easy readout of monitor activity. In addition, the optional random setting can vary the time your devices turn on by a few minutes. Additional Information: Features:#149; Set It Once Never Set It Again#149; Controls Lighting Including Fluorescent Heavy Duty Loads such as Fans and Appliances#149; Up to 6 ON/OFF Settings per 7day Period#149; LCD Digital Clock and Readout#149; ToTheMinute Setting Accuracy#149; Battery Backup#149; Random Setting Feature Available to Avoid Predictable Timer Controlled Look#149; Manual Override Feature#149; Use with DecoratorStyle Wall Plate (Sold Separately)#149; Replaces Intermatic Model SS8C Specifications:#149; Color: White#149; Adjustments: Up to 6 ON/OFF settings per 7day period a total of 42 ON/42 OFF settings per week#149; Time Setting: Astronomical Time Clock adjusts automatically#149; Feature: Manual Override#149; Resistive: 15 A, 120277 VAC#149; Tungsten: 15 A, 120 VAC, 6 A, 208277 VAC#149; Ballast: 8 A, 120 VAC, 4 A, 208277 VAC#149; Motor: 1 HP, 120 VAC, 2 HP, 240 VAC#149; DC Loads: 4 A, 12 VDS, 2 A, 28 VDS#149; For single pole and three way applications up to 100 ft.