Features 1、It is suitable for C and D level thunder protection, it is used for the equipotential connection when thunder strikes, quick response when thunder occurs, unloading voltage, protecting home appliances and your safety. 2、Flame retardant shell, fire proof, safe to use 3、It has the characteristic of stable performance, and easy to install 4、Removable assembly, easy to plug and unplug 5、Guide rail installation, simple operation Specification Features: Flame retardant shell, fire proof, safe to use. It has the characteristic of stable performance, and easy to install. Guide rail installation, simple operation. Specification: Material:PC Flame retardant material Number of poles: 2 Response time: ≤25ns Maximum discharge current: 20KA Up: ≤2.5kv Weight: Approx.254g/9oz Package list: 1 x House Surge Protector Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List