Program-free operation – Built-in light sensor automatically turns on connected devices at dusk and off at dusk Single outlet – 1 grounded outlet for plugging in lights, seasonal decor and other equipment Ergonomic plug – A unique design of the grounded plug makes unplugging the cord easier and better accommodates duplex outlets Weather-resistant construction – Durable design withstands the elements for outdoor use any time of year Convenient indicator – LED on the front of the timer illuminates to indicate connected equipment is activated