Korg PitchClip2+ PC-2+ Clip-On Tuner

Specifications:
• Scale: 12-note equal temperament
• Detection Range (sine wave): A0 (27.5Hz) – C8 (4186Hz)
• Detection Accuracy: +/- 0.1 cent (Strobe mode)
• Reference Pitch: A4 = 436–445 Hz (1 Hz steps)
• Power Supply CR2032 lithium battery x 1
• Battery Life: Approximately 18 hours (A4 input)
• Dimensions (W x D x H) 51 x 24 x 38 mm/2.01" x 0.94" x 1.42"
• Weight 19g / 0.67 oz. (including batteries)
• Included Items: CR2032 lithium battery for verifying operation x 1