Universal tuner for a variety of instruments that features 11 tuning modes: Chromatic, F tuning, Bb tuning, Eb tuning, Guitar mode, Bass mode, Violin mode, C Ukulele, D Ukulele, Erhu and Pipa. It also provides three tuning speeds (Slow, Mid, Fast) and auto shut-off feature that shuts the tuner off automatically if there no signal for 5 minutes. Tuner also supports the Sound Cue mode that helps to tune the ears of the user in the same time as the instrument: it provides a standard tone after it detects any tone which is close to the standard tone and user has to identify two notes that are the same. Tuner offers a broad tuning range from E0 (20.6 Hz) to D8 (4699 Hz) with precision +/- 0.5 cent, tuning keys of C, F, Bb and Eb, and A4 range of 400-499 Hz. It also provides a mic or line-in detection method, Auto or Manual tuning method, and two display modes: VU meter or LCD. Tuner operates with two AAA 3 V batteries or DV 6 V. Dimensions: 78 x 27 x 116 mm, weight: 170 g.