NEW Cherub | Universal Tuner, WST-920 combines the Accuracy of Classic Needle-Type Meter with Superior Functionality Broad range of A4 calibration: 349 - 499Hz (1Hz steps) Built-in mic supports acoustic instruments, Instrument Input Dual display: Classic needle type tuner + backlit LCD Dimensions: 147(W)x26(D)x58(H)mm Weight: 140g