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 interfaceTwo 360°joints and one 180°joint allow any viewing angleUltra wide and Bright LCD ensures excellent visibility even in dark environmentsUpdated software guarantees real-time and fast tuning (response time: 30ms)Flat tuning allows for drop-tunings up to 4 semitonesEnergy-saving mode maximizes the battery lifeBuilt-in MIC and Piezo sensor ensure optimum response even in noisy environments.Broad tuning range from A0 (27.50 Hz) to C8 (4186 Hz) Specification: Tuning range: A0(27.5Hz)~C8(4186Hz)Tuning mode: Guitar, BassTuning precision: ±1 centA4 range: 410~490HzDetection Method: Mic, ClipFlat tuning: ♭, ♭♭, ♭♭♭, ♭♭♭♭, ♭♭♭♭♭Display mode: LCD displayTuning method: AutoPower supply: 3V(CR2032)Lithium batterySizes: 59(W)x18(D)x85(H)mmWeight: 38g Package Included: 1 x Guitar Bass Tuner1 x Manual