Westek TM19DOLB 6-Outlet Photocell Stake Timer, Green Timers save money and energy, add safety, security and convenience to homes Turns lights/appliances on at dusk, off at user programmed time-2/4/6/8 hours or at dawn No wiring required, simply plug in Grounded, accepts lights/appliances with three prong plugs Works with CFL, LED or incandescent bulbs