Plug-In Weather Resistant Outdoor Light-Sensing Timer and Plug-In Basic Indoor Timer Combo - Dawn to Dusk Option Works with incandescent, LED or CFL lighting Outdoor timer simply turn the dial to the preferred settings and ensure the timer has direct access to sunlight Indoor timer, select your programmed times and push down pins to turn on and pull pins up to turn off the plugged in device Ideal for landscape, security, patio or seasonal lighting and portable fans