JT-11 Mini Clip-on Chromatic Tuner with Backlit

A4 Frequency: 440Hz
Tuning: Chromatic
Tuning Range: 0A(27.5Hz)-8C(4186.01Hz)
Weight: 35g
Dimensions: 65(L)X36(H)X29(W)mm
Power: CR2032 Battery (1)