This lightweight chrome tuner may be small, but it's got everything you need! Weighing in at only 20 grams, it can be attached to your case, or even your keys, with the included key ring clip. This stick-style chromatic tuner features an LCD display, which gives you a clear display of up to 50 cents in either direction. With a tuning range from A0 to C8 and a built-in microphone, it will be there when ever you need a quick pitch check!
Also features an auto-off function if no sound is input for 2 minutes. Powered by one replaceable CR1220 battery (included).