WST-650GB is a new product from Cherub It's designed for tuning Guitar and Bass. It's quick, accurate and stable     Classic design offers a simple user interface    Two 360°joints and one 180°joint allow any viewing angle    Ultra wide and Bright LCD ensures excellent visibility even in dark environments    Updated software guarantees real-time and fast tuning (response time: 30ms)        Flat tuning allows for drop-tunings up to 4 semitones    Energy-saving mode maximizes the battery life    Built-in MIC and Piezo sensor ensure response even in noisy environments.    Broad tuning range from A0 (27.50 Hz) to C8 (4186 Hz)    Tuning mode: Guitar, Bass    Tuning precision: +/- 1 cent    A4 range: 410~490Hz    Detection Method: Mic, Clip    Display mode: LCD display    Tuning method: Auto    Power supply: 3V(CR2032)Lithium battery    Sizes: 59(W)x18(D)x85(H)mm    colour: black    Material: ABS + electronic        Package Contents:    1 x Guitar Tuner        Only the above package content, other products are not included.    Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.