Versatile: This tuner is compatible with a variety of instruments, including acoustic and electric guitars, bass, violin, and ukulele. It also has a chromatic mode for tuning other string, brass, or woodwind instruments. The Rotatable mechanism and large clip opening allow for easy attachment to almost any instrument. Fast, Accurate and Easy to Use: Equipped with a highly sensitive Piezo Sensor, this tuner quickly and accurately detects the instrument's vibrations through direct contact, ensuring precise tuning without interference from surrounding noise. Its user-friendly interface makes it suitable for beginners and professional musicians alike. turn it on, clip it on, and you're ready to tune. Automatic Power-Off and Memory Back-Up Functions: Designed with ultra-low power consumption, this tuner automatically powers off to conserve battery life. Additionally, the memory back-up function retains all settings even when the tuner is powered off. Part Name:Guitar Tuner Size:.42x26mm Colour:Black Material:electronic Package Contents: 1 x Guitar Tuner Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.