AmerTac TM17DOLB Westek Outdoor Daily Mechanical 3-Outlet Grounded Self-Adjusting Photocell Stake Timer, Green Photocell Stake Timer turns lights and/or appliances on at dusk and off at user programed time 3-Outlet unit accepting 3-prong plugs Includes a 3 foot cord with grounded plug For outdoor use, total wattage should not exceed 15Amp or 1800 Watts tungsten Electrical ratings - 15A, 125VAC, 60Hz, 1875W Tungsten