https://youtu.be/DnjPbyPbRYo Product Information: The Peterson StroboPlus HD-C tuner, a pinnacle since 1948, offers unmatched tuning accuracy. With a large chromatic display, over 200 Sweetened™ tunings, and customizable features, it's user-friendly. Whether using the built-in microphone or ¼” input, tuning is effortless. The display's variable color LED backlight ensures visibility in any setting. This tuner/metronome combo delivers 0.1 cent tuning resolution, versatile metronome features, and is a complete package for tuning, ear training, and rhythm mastery. Peterson sets the standard for precision and performance. Product Features: Warranty period: 1 Year Type: Chromatic Note Range: C0 - A#8 Note Selection: Automatic Or Manual Firmware Updateable: Yes Tempo Range: 10-280 Quarter Notes per Minute Accuracy: 0.1 Cents Display Type: Variable Backlight Color LCD Construction: ABS Plastic Product Dimensions LxWxH: 5.5" x 4.25" x 1.5" Battery Type: Lithium Ion (Included) For more information and specifications, please refer to the manufacturer’s website