287064 Feature: sensitive tuning precision， stable pointer， easy to operate Tuning objects: zither (7 modes optional)guitar， bass， chromatic Color: Silver Size: 97 x 65 x 16 mm A4 frequency range: 435-445Hz Pickup mode: MIC\CLIP Tuning mode: Automatic tuning Tempo: 30-250BPM Beat: 0-7 Power: 2 x AAA battery (need to be purchased) 1 x Tuner + Metronome 1 x Pickup In original package