Main Features:<br />Small and exquisite appearance? convenient to carry<br />360 degree rotatable design to match your need better<br />With a clip? it is easy to fix on the instrument<br />Indicates tuning status by showing 3 sorts of color ( green? red and orange )<br />Auto power off function? the device will turn off automatically if there is no signal present or operation in 3mins<br />It can be used for the tuning of guitar? chromatic? bass and ukulele<br />Tuning Accuracy Indicator:<br />Low: When the indicator points to the left? backlight is blue;<br />High: When the indicator points to the right? backlight is blue;<br />In tune: The indicator points to the middle? showing green<br />Tuning range: A0 ( 27.5 Hz ) - C8 ( 4186.0 Hz )<br />Power: 1 x CR2032 battery ( included )<br /><br /><br /><br /><br /><br /><br /><br />    Specifications<br />General<br />	 Type: Tuner                                                  <br />                        For: Violin? Electric Guitar? Classical Guitar? Bass? Ukulele? Guitar? Acoustic Guitar                                                	<br />Specification<br />	 Tuning Accuracy: ・0.5 cent                                                  <br />                        Tuning Items: Bass? Violin? Chromatic? Ukulele? Guitar                                                  <br />                        Tone Frequency Range: A0 ( 27.5 Hz ) - C8 ( 4186.0 Hz )                                                	<br />Dimension and Weight<br />	 Product weight : 0.024 kg                                                  <br />                        Package weight: 0.060 kg                                                  <br />                        Product size (L x W x H): 8 x 5 x 2 cm / 3.14 x 1.97 x 0.79 inches                                                  <br />                        Package size (L x W x H) : 14 x 10 x 3 cm / 5.50 x 3.93 x 1.18 inches                                                	<br />Package Contents<br />	 Package Contents: 1 x AROMA AT - 300B Guitar Electric Tuner? 1 x User Manual (English and Chinese)? 1 x Battery                                                	<br /><br /><br /><br />                                                <br />