Features 【lightning protection】It is suitable for C and D-level lightning protection, it is used for the equipotential connection when lightning strikes, quick response when lightning occurs, unloading voltage, and protecting home appliances and your safety. 【safe to use】Flame retardant shell, fireproof, safe to use 【Strong stability】It has the characteristic of stable performance, and easy to install 【Easy to use】Removable assembly, easy to plug and unplug 【Response time】 ≤25ns, Guide rail installation, simple operation Specification:Material:PC Flame retardant materialNumber of poles: 2PResponse time: ≤25nsRated voltage: 420VMaximum discharge current: 20KA Up: ≤1.5kvWeight: Approx.227g/8oz  Package list:1 x House Surge Protector Package List