Features: Small compact size 360 degree swiverl capability 5 Modes to support major instruments - Bass Violin Guitar Ukulele and Guitar 27.5Hz to 4186Hz for maximum tuning precision Simple one button operation. Simply click the button to cycle modes and power Brilliant LCD screen changes color when you re in the sweet spot. Heavy duty clip is easy on instruments but esnures this tuner is going nowhere. Specifications: Fit for : Guitar Bass Violin Ukulele Oud Cello Viola et Power: CR2032 Battery 1 piece (inclued) Color: Black Size: 4.8cm x 7.3cm x 2.8cm Material: ABS Package Include: 1 x Tuner 1 x Battery (CR2032) 1 x Manual 3 x Paddle (Random Color Yellow/Blue/White/Black/Red)