Features: Maintain optimal humidity levels for your acoustic guitar with this 10ml drip bottle equipped humidifier, featuring a builting in sponge and double sided refill design to prevent wood cracking in dry climates. The integrated analog hygrometer provides real time humidity monitoring, while the silicone padded clamp ensures secure attachment to your instrument. Ideal for both professional musicians and casual player of folk, classical, or any wooden body guitar requiring consistent moisture protections. Essential for preserving tone quality during winter heating or in arids regions where rapid moisture loss damages delicate wood structure. Compact and reusable design simplifies maintenance for traveling performers, with the included precisions drip bottle enabling controlled hydrations without disassembling the unit. Specifications: Component: Plastic Size: Approx. 3.42x2.08inch(8.7x5.3cm) Package Includes: 1x Guitar Humidifier 1x 10ml Drip Bottle note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.