Main Features:<br />Tempo range: 40bpm - 208bpm<br />Beat: 0? 1? 2? 3? 4? 5? 6? 7? 8? 9<br />Can be held with one hand of the adults<br />Designed with LCD screen for ease of operation<br />Powered by 3 x AAA battery ( included ) or 5V AC - DC adapter ( not included )<br />Support earphone output<br />Send out sound to indicate tempo<br />With a holder on back? stand on the flat stably<br />Has volume controller and earphone connector to match your need better<br />Good for the novices<br /><br /><br /><br />    Specifications<br />General<br />  Type: Metronome                                                 <br />Dimension and Weight<br />  Product weight : 0.125 kg                                                  <br />                        Package weight: 0.200 kg                                                  <br />                        Product size (L x W x H): 15 x 6.5 x 2.5 cm / 5.90 x 2.55 x 0.98 inches                                                  <br />                        Package size (L x W x H) : 19 x 8 x 5 cm / 7.47 x 3.14 x 1.97 inches                                                 <br />Package Contents<br />  Package Contents: 1 x Metronome? 1 x User Manual(English)? 3 x AAA Battery                                                 <br /><br /><br /><br />                                            <br /><br /><br /><br /><br />                                                <br />