Lzv digital timer with potential free contactthe lzv digital time switch for distributors can switch onoff installed lights and apparatus eg roller shutters shop window lighting interior lighting fans swimming pool filter systems as well as pump systemsthis timer provides lcd display for time and switching times 12 memory locations 6 x on 6 x off manual button for manual switching without program built in battery for backup of the programming in the event of a power failuretechni