Multi-FunctionIt has several modes for you to choose. such as random function. CD function and program function. which is great for home lighting. Christmas tree and decoration. kitchen appliances. aquarium light and so on. Please notice the operation priority when you use the timer: 1.CURRENT TIME 2.MANUAL ON OR MANUAL OFF 3.RAN 4.CD 5.PROGRAM. (from the highest to the lowest) Energy SavingWith the schedules to automatically turn On/Off home lamps. lights. humidifiers. charging devices and other electrical appliances. you can eliminate the standby consumption of electricity. save on your energy bills and also extend the lifetime of your appliances. by preventing from overcharge. Easy to UseEquipped with large 2.4" LCD display and attached with a detailed operating instructions. makes all the settings easy to understand and operate. If you feel difficult to set the digital timer. feel free to contact us and we will provide professional guidance. Auto-Protection ModePlug-in timer plug socket allows with a setting which randomly turns lights on and off over a period of time to keep potential burglars away as they will think you are home. What You GetExtraStar digital timer plug socket with a detailed operating instructions. 24 months worry free warranty and our friendly customer service.