Reasonable structure, beautiful appearance and convenient installation ModelsCSK4-YKW/NKW/LKWCSK5--YKW/NKW/LKWCSK6--YKW/NKW/LKWVotlageAC110V,220VDC12V,24V ToleranceRATED BOLTAGE -15%-+10%Consumption3VA3.5WCounting speed10CPS20CPSLife20,000,000 TimesTesttAC-1.500V(50/60Hz)lminute(Dielectric)