IRIN T-100 Electronic Clip on Tuner for Chromatic Guitar Bass Violin Ukulele Instrument Features: Exquisite appearance, small and lightweight, convenient to carry. 360 degree rotatable clip can be adjusted at your suitable angle, simple and practical. The clip can easily fix the tuner on instrument, no damage to instrument surface. It provides accurate tuning effectiveness, bringing you better playing experiences. Used for the tuning of chromatic, guitar, bass, violin, ukulele. High definition LCD screen give a clear and intuitive visibility. Specification: Condition: Brand: IRIN Model: T-100 Material: Plastic Color: Black Power Source: 1 * CR2032 Battery(Included) Tuning Items: Chromatic, Guitar, Bass, Violin, Ukulele Tunner Size: Approx. 4.2 * 2.6 * 1.5cm / 1.6 * 1.0 * 0.6in Clamp Size: Approx. 4.5 * 2.5cm / 1.8 * 1.0in Weight: Approx. 29g Packing List: 1 x Tuner 1 x Paper Box Note: Giving a 2 seconds press to the on /off button, it will powe on and give another 2 seconds press and it will power off. You can clip onto the place where the vibration is stronger.