The unit adopts a sound source isolation design internally, with a low-noise centrifugal fan and built-in sound-absorbing materials to reduce the overall operating noise of the dehumidifier; The unit adopts cryogenic dehumidification, which has higher dehumidification efficiency and is more energy-efficient; ● Ultra large hydrophilic aluminum foil evaporative condenser, made of precision copper pipes with all copper internal threads, with high heat transfer efficiency; Adopting an international brand fully enclosed rotary compressor, the whole machine has low vibration and noise, and is stable and reliable; The unit comes with a built-in drainage function and does not require manual operation to pour water; The unit has multiple protections such as high and low voltage protection, overload protection, as well as functions such as automatic frost and delayed compressor start-up; Adopting a microcomputer automatic control system, the operation is simple and the humidity control accuracy is high; The electrical part is designed to be moisture-proof, especially suitable for high humidity scenarios such as swimming pools.