eno Professional Violin Viola Tuner, Colorful LCD Display Easy Control Clip on Accurate Violin Tuner (ET-05SV) (Tuner) Colorful LCD display, LCD display will show the string NO. and note; Yellow flat, Red means sharp. Suitable for: Violin, Viola, Cello, Bass with Chromatic tuning mode; Special big clip design, suitable big head of violins; More sensitive, easier control Attaches to the instrument over the pegbox and out of the way; Easy for young and adult violinist to use immediately independently; Battery: 2 XCR2032 (Included ) <span class="a-text-bold">Suitable for: </span>Violin, Viola, Cello, Double Bass, Chromatic <span class="a-text-bold">Tuning Mod:</span> Clip-on vibration sensor <span class="a-text-bold">360 Rotational Clip:</span> 360 Rotational clip design makes multi-angle view clearly <span class="a-text-bold">Colorful LCD Display, Easy to Read: </span>yellow means flat, red means sharp, white means in tune <span class="a-text-bold">A4 Frequency:</span> 430Hz-450Hz; <span class="a-text-bold">Tuning range:</span> A0 (27.5Hz)-C8 (4168Hz) <span class="a-text-bold">Auto Power:</span> Ultra-low-power and auto power-off <span class="a-text-bold">Power Supply:</span> 3V(CR2032) <span class="a-text-bold">Tuning Accuracy:</span> 1Cent <span class="a-text-bold">Special Design Clip:</span> Match the instruments peg firmly. High Precise Detection and sensitive vibration clip, make your tuning easier and quicker <span class="a-text-bold">Portable Mini Size Clip-on Tuner: </span>Easily applied and adjusted with one hand. It can be conveniently parked on the head stock when not in use. <span class="a-text-bold">Headstock Tuner Delicate Design:</span> classic black color, match the instruments well. <span class="a-text-bold">Extra Chromatic Tuning Mode</span>-Also suitable for acoustic and electric guitars, bass, ukulele, banjo and wind instrument with Chromatic tuning mode <span class="a-text-bold">Suitable for: </span>Adult and children Press the Power Button about 3 Seconds to Power ON/ Off; Slightly type the Power Button to change the A4 Frequency from 430Hz-450Hz; Slight type the M button to change the tuning mode: Chromatic/Violin/Viola/Cello/Bass; 1 x ET-05SV Tuner 1 x User Manual 2 x CR2032 Battery Size: 32*46*45MM Weight: 34g