Features: Cartoon clip-on tuner with soft silicon gel housing in cute reindeer shape. Suitable for chromatic/ guitar/ bass/ ukulele/ violin tuning. Color-changing backlight LCD display: white-- flat/sharp, green-- in tune. Rotatable design, flexible to adjust viewing angle. The tuner will automatically turn off to save energy if no signal in 5 minutes. Specifications: Color: Red/ Green/ Yellow/ Brownish Black/ Light Beige(optional) Tuning Items: Chromatic/ Guitar/ Bass/ Violin/ Ukulele Tuning Way: clip Tuning Range: A0(27.5Hz) - C8 (4186Hz) Tolerance: ±1 Cent Calibration: A4=440Hz Response Time: ＜20ms Power Supply: 1 * CR2032 Battery (not included) Item Weight: 50g / 1.8oz Package Size: 17 * 11 * 4cm / 6.7 * 4.3 * 1.6oz Package Weight: 70g / 2.5oz Note: The instrument showed in the picture is not included. The battery is not included. Package List: 1 * Tuner