You're buying the Korg unit that you see. Tested and works great! Small size with a nice big screen. Clean battery compartment. Built-in stand. 

• Scale: 12 note equal temperament
• Detection Range*: C1 (32.70Hz) - C8 (4186.01Hz) for a sine wave
• Reference Tone: C4 (261.63Hz) C5 (523.25Hz) One octave or A Bb
• Tuning Modes: Meter mode (AUTO), Sound Out mode (MANUAL)
• Calibration Range: A4 = 410Hz 480Hz