Applied in Lightning and surge protection for photovoltaic system. Can be cumulative count, and record ... the date,time. Counter LCD Display-lightning and surge protectionPart No. :AT-S1101AMApplication : CounterOutline Size: 32.0×41.0mmviewing ... : 26.0×20.0mmLCD Type: TNController : MCUBacklight : NO This is surge protection electronic product.AT-S1101AM is a type of Electric ...