VIVOSUN 7 Day Digital Timer with Dual OutletVIVOSUN 7 Day Programmable Digital Timer with Dual Outlet Set your personal timer programming: Vivosun 7 Day digital timer allows you to set a maximum of 20 of the on off program groups, from as short as 1 minute to as long as 7 days; Taking into account different customers, their working time may differ, there are 8 pre set combinations of the working day to choose New Version New Found: Compared to the traditional Vivosun 7 day timer, this new