Product Features * Note, octave, and pitch are shown on a large advanced display * 8+ octave tuning range & 5 octave sound generator * Mic & in/out jacks ~ 9V power adapter input jack * Lighted dial and volume control Product Description CHROMATIC Jumbo Size Professional Tuner... 4" X 7" A 438 to 446. Wire stand and bag The ST1200 chromatic tuner is perfect for professional players. Fine mode for perfect tuning & fast mode for quick tuning. Wide tone generator mode of 5 octaves (C2-B6)