Floureon TS-839 7-day Programmable Plug-in Timer Socket, Digital Timer Switch Energy-Saving Outlet for Lights and Appliances What You Get:Floureon TS-839 7-day programmable plug-in timer digital timer switch. Storm Store offer ONE YEAR WARRANTY and friendly customer service. Easy to Control:There are as many as ten different programs to control in a 7-day period and every program will repeat once each week. Built-in Battery((Nimh 1.2V rechargeable batteries) backup. Allows watt meter to be moved (and viewed) without losing readings. Save Money:Saves energy and money by automatically turning lamps, refrigerator, washing machines, christmas tree lights and other household electrical appliances on and off. House Security:Features a random setting to have your lights to go on and off at random times during your absence, giving the impression that the owner of the house is staying. Convenient Time Switch:Large LCD digital is easy-to-read, you can easily switch between Standard time and Summer time(DST); Interchangeable 12/24 hours format.