Cherub WST-650GB Guitar/Bass Tuner Classic design offers a simple user interface. Two 360joints and one 180joint 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 Built-in MIC and Piezo sensor ensure optimum response even in noisy environments