ESE series products refer to the European standard design, and the use of foreign original imported components, its safety performance and shell protection level have reached the international European level 4 standards, now (1) convenient installation and debugging, accessories easy to use. The grating adopts the aviation plug connection, can be fast, accurate loading and unloading. (2) Perfect self-test function, using the latest safety technology design, in strict accordance with the European standard design. (3) High resolution, can protect fingers, palms, human body. (4) Short response time and high reliability. (5) Integrated design, no controller, easy to use.