1.Internal structure is simple, easy to operate, easy to install and use. 2.Different electrical devices can be controlled by setting different trigger modes, such as short press, long press, etc. 3.The operation feels good, giving a person with high texture and high-grade feeling.Electronic equipment: such as computer, monitor, keyboard, mouse, scanner, printer, etc. Communication equipment: such as mobile phones, telephones, routers, switches, etc. Automotive electronics: such as vehicle navigation, audio, air conditioning, etc. Medical equipment: such as electronic sphygmomanometer, electrocardiograph, ventilator, etc.