Feature:1. This is an economical timer switch, there are many options, this time switch is a direct plug‑in timer, used to control the electronic power circuit of the device2. The product allows you to set up programs for a single day or various combinations of days, which has summer time change and random function3. 8‑key timer function, hour, minute and day of the week time setting, provide summer time function. 12 hours / 24 hours mode optional4. Automatically turn off electronic equipment, effectively preventing electronic equipment from overcharging. Suitable for home lighting, fans, air conditioners, humidifiers, Christmas trees and other electrical appliances5. Builtin rechargeable battery for memory program. Come with high accuracy and strong antiinterferenceSpecification:Item Type: Electrical Time Control SwitchMaterial: ABSWorking Temperature: -10~40Minimum Time Setting: 1 MinuteMaximum Time Setting: 7 DaysDisplay: LCD screenBuilt-in Battery: 1.2V NI-MH.Package List:1 x Electrical Time Control Switch1 x User Manual