Usage : Timer SwitchModel Number : Timer SwitchTheory : electronicType : MiniElectronic Digital Timer Switch Kitchen Timer Outlet 24/7 days Programmable Timing Socket EU/US/FR/UK/AU Plug Timer Switch 40% offThis device is a plug-in timer switch designed to control the electric power to household appliances to save energy.It has a built-in battery to operate the clock and help you set the timer.Before operation ,please plug the unit into an outlet to recharge for about 5-10 minutes if the device is out of charge and shows nothings on the display .Specification:Dimension(approx.):13cm x 5.8cm x 4.5cm/5.12" x 2.28" x 1.77"Large LCD DisplayLCD size(approx.):34*49mmVoltage:230V 50HzInstallation:Plug-in TypeRating:230V-AC / 13A /2900WSetting Time:1 MinuteOperating Temperatures:-10~+40CAccuracy:1 MinuteBattery:Nimh 1.2V(battery is built-in, non-removable)Work life >100 hoursPlug-in design; Easy programming8 Keys Timer Function16 kinds of Days group settingTime setting is include HOUR, MINUTE and WEEKSummer & winter time modeRandom function12/24 Hours changeableIntegrated rechargeable batteriesTiming set:Press 'WEEK' key to choose the days group you wish to switch-on the appliance. There are 16 groups:MO TU WE TH FR SA SUMOTUWETHFRSASUMO TU WE TH FRSA SUMO TU WE TH FR SAMO WE FRTU TH SA MO TU WETH FR SAMO WE FR SUPress 'HOUR' key once from '0'~'23' or '1' ~'12'.Press 'Minute' key once from '00'~'59'Be sure to press the 'RESET/RECALL' key to reset or cancel all systemsPackage Included:1 x Digital Timer Socket ( Please choose the type you need )1 x English Manual