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The first digit after IP is dustproof
n The first digit indicates how far the device is resistant to fine dust, or how well people are protected from hazards in a sealed environment. Represents the level of preventing the entry of solid foreign objects, the highest level is 6:
n can block objects larger than 50mm, semi-naked state.
n preventing the intrusion of solid objects larger than 12mm and preventing human fingers from touching the internal parts.
n preventing the intrusion of solid objects larger than 2.5mm, preventing the intrusion of tools, wires or similar small foreign objects with a diameter or thickness larger than 2.5mm and contacting internal parts.
n Prevent the intrusion of solid objects larger than 1.0mm, and prevent the intrusion of tools, wires or similar small foreign objects with a diameter or thickness larger than 1.0mm and contact with internal parts.
n with good dustproof effect, dust will not cause equipment damage or a lot of accumulation.
n completely dust-free, the connection port and other parts are completely sealed.
