Looking for a humidifier for your ukulele or acoustic guitar? Our humidifier features an innovative design and is easy to use. It makes a great gift for anyone who enjoys playing ukulele or guitar. Features: - Two types of universal humidifier available: for ukulele or for folk/classical guitar. Suitable for beginners and professionals. - Monitors humidity levels with a pointer dial for easy reading; stylish, accurate, and durable. - High-quality internal sponge with excellent water absorption for even humidification; easy to replace for long-term use. - Attaches to the soundhole with a clip; silicone padding helps protect the soundhole from damage. Adjustable tension fits various instrument sizes. - Simple operation and convenient maintenance for your ukulele or acoustic guitar. Note: Size and color may vary slightly due to manual measurement and lighting conditions. Specifications: - Model: GHD-02 (for Ukulele) / GHD-03 (for Guitar) – Optional - Main Color: Black - Main Materials: Plastic, Metal, Sponge - Package Size: GHD-02: 103 x 86 x 75mm / 4.06 x 3.39 x 2.95in GHD-03: 137 x 134 x 45mm / 5.39 x 5.28 x 1.77in - Package Weight: GHD-02: 78g / 2.75oz GHD-03: 100g / 3.53oz Package List: - 1 x Humidifier - 1 x 10ml Water Filler