Stagg CTU-C12 Clip On Tuner USB Rechargeable, Chromatic

Tuning: Automatic
Tuning range: A0 (27.5Hz) to C8 (4186Hz)
Accuracy: ± 0.5 cent
Modes: Chromatic, guitar, bass, violin, C-tuned ukulele
Features: Automatic power off, built-in vibration piezo sensor, rotating clip pad to fixate the tuner on any guitar headstock or flat surface
Display: LCD with 2-colour backlight
Dimensions (W x D x H): 88 x 47 x 15 mm (3.5 x 1.8 x 0.6″)
Weight: 22 g (0.05 lb)