The dulcimer tuner features a large viewing-angle LCD display that clearly shows the tuner's status. Its built-in metronome supports a wide range of instruments, including acoustic and electric guitars, bass, ukulele, violin, mandolin, piano, and wind instruments such as saxophone and trumpet. Constructed from durable plastic, the device resists cracking and is safe to use. The adjustable volume control and headphone jack enable quiet practice in your preferred environment. Lightweight and compact, it easily fits in a bag or tote for on-the-go transport and simple storage. Battery powered with low power consumption, it runs on two AAA batteries. It is equipped with a large color LCD screen and an LED display, offering clear readability in dark environments. Use scenarios: - Quiet practice at night or in shared spaces using the headphone jack for silent tuning and metronome timing. - Rehearsals or gigs where quick tuning across multiple instruments (guitar, bass, ukulele, violin, mandolin, piano, wind instruments) is needed. - On-the-go tuning during travel, lessons, or studio sessions, thanks to its compact size and lightweight design.