Features Good electrical conductivity and corrosion resistance. Metal material, high strength and wear resistance. High-quality materials, flame-retardant shell, good insulation. General humidity: 85% ur;Opening size: 12mm 100% brand new product, all refund if unsatisfied If you have any questions Features:    1.Good electrical conductivity and corrosion resistance. 2.Metal material, high strength and wear resistance. 3.High-quality materials, flame-retardant shell, good insulation.  4.General humidity: 85% ur;Opening size: 12mm 5.100% brand new product, all refund if unsatisfied If you have any questions Specifications:  Working temperature: -40°C-85°C Shelf life: 50,000 times Insulation resistance: >1500m ohm Contact resistance: <0.010 ohm Support voltage: AC 1000V Operation mode: on-on-on Packing list:  Self-reset toggle switch*10    Package List