Metal keyboard is another type of keyboard. Its working principle is the same as that of ordinary keyboard, and its internal structure is also similar. The difference is that the metal keyboard has a solid appearance because of its special metal material, which can achieve the functions that ordinary keyboards do not have, such as explosion-proof, dust-proof, waterproof, etc.

Therefore, it is widely used on input devices with special requirements for the environment. As an embedded device, metal keyboard is widely used in financial equipment, communication equipment, military equipment and a series of self-service terminal devices.

The metal keyboard is characterized by its solid metal material and a series of special technical means, so that it can face the harsh environment. With its special properties of waterproof, dust-proof, explosion-proof and anti-corrosion, it is widely used in many outdoor self-service equipment.