1Surge Protector: Prevent excessive shocks to the home grid, insulated terminal blocks, more reliable, safer, quick response time and high carrying capacity. 2Working Indicator: The protector has a working status indication window, which can effectively respond to the working status, green indicates normal, red indicates fault. 3PC Protective Case: The PC housing of the surge protector is fire and corrosion resistant, and the plug in design supports hot wire operation for ease of use. 4Sensitive Response: When there is a surge overvoltage in the system, the sensitive protector immediately opens quickly within nanoseconds and introduces the surge overvoltage into the earth to ensure the power equipment. 5Wide Application: This surge protector has a wide range of applications and can be used in homes, offices and other places, and is very easy to install on the rail.