1. The shell material is metal, smooth surface, wear-resistant, not easy to rust. 2. Concise appearance, long service life, high reliability. 3. Internal structure is simple, easy to operate, easy to install and use. 4. Different electrical devices can be controlled by setting different trigger modes, such as short press, long press, etc.1. Industrial control equipment: such as machine tools, automatic production lines and other industrial machinery and equipment. 2. Household appliances: such as TV, stereo, washing machine, oven, microwave oven, etc. 3. Electronic equipment: such as computer, monitor, keyboard, mouse, scanner, printer, etc. 4. Communication equipment: such as mobile phones, telephones, routers, switches, etc.