This is a kind of high quality surge protector, flame retardant and anti-corrosion. It prevents the home power grid from being subjected to excessive shock during a lightning strike. Working status display window, green means normal and red means error, which can effectively respond to the working status in time. Detachable installation design, the base is reusable, helps to reduce maintenance costs. You can try it. Features: This is a kind of high quality surge protector, flame retardant and anti-corrosion. Plug-in design, hotline support Operation, simple and easy to use. Working status display window, green means normal and red means error, which can effectively respond to the working status in time. Surge protection, prevent the home power grid from being excessive during lightning impact. Removable 35mm DIN rail mounting, the base is reusable to reduce maintenance costs. Isolation terminal, more reliable and safe. Responds quickly with high load capacity Specifications: Name: Surge Protector Imax: 40kA In: 20kA UP: 1.8kV Uc: 385V Frequency: 50Hz, IP20 Working temperature: -40 to 80 Size: 73*90*63mm/2.87*3.54*2.48in Item weight: 378g Package list: 1 * Surge Protector Note: The data are all measured manually, please allow 1-3cm error Due to differences in light and display, there may be some color differences, please refer to the actual item received.