Enjoy auto-shutoff 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 30-minute increments. Once programmed, settings repeat daily until changed. Timer features an easy-on/off switch and plugs into any 3-prong outlet, making it perfect as a Christmas lights timer. 125V, 60Hz/15amp. Durable plastic and metal timer for lights. 4 3/4"L x 2 3/4"W x 2 3/4"H.