Largescreen LED display provides easy readability and accuracy of readings. quality humiditysensitive capacitors offer strong environmental adaptability for reliable performance across varied conditions. Small size and light weight for easy portability and convenient use in different settings. Default recovery and poweroff storage function preserves settings and data and enables quick startup after power loss. Use scenario 1: Greenhouses or storage rooms where maintaining precise humidity is essential for crop health and product quality. Use scenario 2: Laboratories or manufacturing workflows that require stable humidity monitoring and reliable recovery after power interruptions. Use scenario 3: Field inspections or onsite measurements where a compact, easytocarry device is needed to verify ambient humidity in multiple locations.