Type: TUNERColor: blackTuning Mode: chromaticTuning Range: A0(27.5)~C8(4186Hz)A4 Range: 435~445HzTuning Precision: ±1 centDetection Method: Audio Signal InputDisplay Mode: LEDTuning Method: AutoPower: DC 9V adapterSize: 9.2 * 4.1 * 3.4cm / 3.62 * 1.61 * 1.34inFeatures:Large LED display, high sensitivity, with descending function (4 semitones can be lowered).Double display modes -- Normal display and Strobe display; press the FLAT/DISP to change the tuning mode display.Advance Tuning feature ,pitch A4 frequency range 435-445Hz. 4 steps flat tuning -- b, bb, bbb, bbbb.Made of high quality aluminum alloy, the pedal is durable and of a classic mini size.Rubber pads on the backside is anti-skid, which enhances the stability and avoids friction.Package List:1 * mini pedal1 * user manualPlease Note: 1.Due to the difference between different monitors,the picture may not reflect the actual color of the item. Please refer to the actual product received.2.Due to the manual measurement and different measurement methods, please allow 1-3cm deviation. Thanks!Due to manual measurement, the allowable measurement deviation is 1-3cm.