Enjoy autoshutoff peace of mind by adding this plug in timer switch to your own small appliances, lamps, Christmas tree lights and other electric gadgets. Simply plug a device into the electrical outlet timer, set and forget. With up to 24 on/off settings per day, you can set the outlet with timer to make changes for as often as 30minute increments. Once programmed, settings repeat daily until changed. Timer features an easyon/off switch and plugs into any 3prong outlet, making it perfect as a Christmas lights timer. 125V, 60Hz/15amp. Durable plastic and metal timer for lights. 4 3/4" long x 2 3/4" wide x 2 3/4" high.