Versatile tuner for any musician that provides quick and precise tuning (A0, 27 Hz-C8, 4186 Hz) for any instrument across 8 octaves using its high-resolution LCD meter display with sharp/flat/in-tune LEDs for tuning even in the dark environments or from the distance. It features built-in microphone for tuning acoustical instruments, Auto-mode for fast tuning by automatically selecting the closest tone programmed in the tuner, and in/out jacks for inserting the tuner between the instrument and the amp without dealing with connections every time. Tilt slot also allows inserting a coin into the slot and tilt the tuner back for easy viewing. Tuning accuracy: +/- 1 cent. In pitch accuracy: +/- 3 cent. Standard pitch setting range: A4 = 435-446 Hz. Powered by 9 V dry cell battery (included). Dimensions: 118 x 63 x 24.5 mm. Weight: 130 g.