Tuner with display and bright LED indicators for easy tuning, one-octave reference pitch for tuning by ear, fully adjustable viewing angle, display tilts up 90° and rotates 360° making tuner visible from any direction, method input selectable, microphone/vibration sensor to tune any instrument in any environment, ideal for beginners or professionals, tunes in automatic or manual mode, tuning range: A0 – C8, integrated microphone and vibration sensor, pitch shift: A4= 415, 437 – 444 Hz, dimensions: 55 × 67 × 50 mm, weight: 50 g (including batteries).