250ml Electric Piano Dehumidifier Portable Moisture Absorption Energy Saving Piano Spare Part Description: Ã material: acrylonitrile butadiene styrene (abs)color: whitesize: 20x13x5cmvoltage: ac 110v-240vpower: 25w ÃÂ± 10%frequency: 50-60hzcertificates: ce, rohs, fccmoisture absorption: 250ml +Ã features: Ã Ã£Ãâ‚¬â€Ã easily solve rusty strings, rusty steel, soundboard cracking and other issuesÃ£Ãâ‚¬â€Ã high efficiency, charging time can be used 1-3 monthsÃ£Ãâ‚¬â€Ã simple operationÃ£Ãâ‚¬â€Ã safetyÃ£Ãâ‚¬â€Ã application: pianoÃ how to use? (instructions)when the dehumidifier window color change desiccant is orange (dry),dehumidifier can dehumidify work, please placed in the piano box body dehumidification, when the dehumidifier display window desiccant was dark green (wet) said dehumidifier has been sucked moisture, power 12-15 hours until the display of the desiccant color. When it turns orange, it means the moisture has been safely discharged, and the dehumidification power is restored as new, and can be used continuously. Ã‚ package include: Ã 1 x dehumidifier