This item is an acoustic humidifier, at the same time thermometer which protects you precious instrument from , warping and cracking in the driest and toughest conditions.It and absorb evenly and slowly inside your without actually touching the instrument. Features - Color: As shown -Material: ABS, Highly molecular particles -Size: 11.00X5.00X2.00cm/4.32X1.97X0.79in -Small and compact, it is easy and convenient to install and will not add much burden to your . -This humidifier is made of durable and wear-resistant material, which is very durable and can meet your long-term use needs. -You can perform effective and moderate humidification and maintenance on your in bad weather to prevent the panel from lifting or cracking. -It is also a very practical and thermometer , and it is also very convenient to use. -With great , good effects, and reasonable prices, you have no reason to refuse such high- products. Package list: 1 × Hygrometer 3 × packs of highly molecular particles 1 × disassembling tool 2 × racks