YKS-851EN Key Features Size: 86Lx86Wx48.5H(mm) Finish : be finished with wire drawing. Current rating : 5A/125VAC (max). Output Contact : NO/NC/COM, NO/NC/COM. Mechanical life : 500,000 tested. Feature : Reset automatically open & close (need order) Suitable for door : Hollow Door Safe Type : Weatherproof, defend and Duplicate the Key Operating temp : 10-+55(14-131F) Operating humidity : 0-95% (non - condensing) Panel Material : Aluminium Panel. Weight : 0.4kg