Programmable Digital Timer Socket Plug Wall Home Plug-in Switch 12/24hr Hour Us This is an economy plug-in timeswitch with numerous options! This timeswitch allows you to set programs for individual days or various combinations of days, including Monday to Friday, Saturday and Sunday only or Monday to Sunday, as well as others. This timer is ideal for switching lights, radios, etc. on whilst your house is unoccupied, giving the impression that people are in. It can also be used to take advantage of cheaper electricity costs during off peak periods. Not suitable for fluorescent, low energy or discharge lamps. Feature: -Large LCD Display -Plug-in design; Easy programming -8 Keys Timer Function -16 kinds of Days group setting: -Time setting is include HOUR,MINUTE and WEEK -Summer &winter time mode -Random function -12/24 Hours changeable -Integrated rechargeable batteries -CE Certified -No Backlight Specification: -Voltage: 120V 60Hz -Installation: Plug-in Type -Rating: 120V AC / 15A /1800W -Setting Time: 1 Minute -Operating Temperatures: -10~+40 -Accuracy: 1 Minute -Battery: Nimh 1.2V(battery is built-in, non-removable) -Work life &gt;100 hours Timing set: -Press 'WEEK' key to choose the days group you wish to switch-on the appliance. There are 16 gruops: 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 SU -Press '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 systems Package Included: 1x Digital Timer Socket (US Plug) 1x Manual