Features: Chromatic tuner specifically designed for wind instruments, suitable for saxophones, clarinets, trumpets, flutes, and more. Supports 2 tuning modes: MIC/CLIP; equipped with a large clip, making it easy to attach to the instrument or place on a flat surface for tuning. Colorful LCD display clearly and vividly shows tuning information. 360-degree rotatable design allows for the best viewing angle, providing flexibility in use. Specifications: Pick Up Mode: MIC/CLIP A4 Frequency Adjusting: 430-450Hz Tuning Mode: Chromatic Key: C, F, Bb, Eb (in chromatic mode) Range: 0G#-8C# Tolerance: 1 Cent Power Supply: 1 x CR2032 Battery (not included) Item Weight: 47g / 1.7oz Package Size: 8 x 5.5 x 5cm / 3.1 x 2.2 x 2in Package Weight: 65g / 2.3oz Package List: 1 x Tuner 1 x Users' Manual (English & Chinese)