Features:<br>This is a 2 in 1 functional item.<br>It is not only a tuner,but also a metronome.<br>LCD screen to indicate operational condition.<br>More accurate, high sensitive and wide tuning range.<br>360-degree rotation for flexible using.<br>Clip designed to attach to instrument.<br>Ultra-low-power and auto power-off.<br>Lightweight, mini-sized and convenient to carry.<br>For guitar, bass, violin, viola, cello, mandolin, ukulele and banjo.<br><br>Specifications:<br>Material: Plastic<br>Colors: Black<br>Tuning instruments: Guitar(G), Bass(B), Violin &amp; Mandolin(V), Viola(V-), Cello(V_), Ukulele(Uc), Ukulele(Ud),Banjo, Chromatic also for wind instruments: KeyC (chromatic), KeyF, KeyB, KeyE<br>Tuning Range:A0(27.50Hz)--C8(4186Hz)<br>A4 Calibration: 410-450Hz<br>Tuning Accuracy: within 1 cents<br>Power: A 3V-CR2032 Lithium Battery (not included)<br>Item Size: 6.5 * 3 * 4cm / 2.5 * 1.2 * 1.6in<br>Item Weight: 29g /1oz<br>Package Size: 13 * 10 * 3cm / 5.1 * 3.9 * 1.2in<br>Package Weight: 52g / 1.8oz<br><br>Package List:<br>1 * LCD Tuner<br>1 * User Manual (English &amp; Chinese)<br><br>Note:<br>The battery is not included.