Functions: <br /><br />GPS positioning， steps counting， highly water resistanting， remote guardianship， shooting， lighting， weather forecast， two-way call， one-key SOS， voice call and the etc.<br /><br />Features: <br /><br />1) Real GPS chip ensures precise positioning. <br /><br />2) Track record allows you to clearly monitor your children. <br /><br />3) Two-way call.<br /><br />4) Remote shooting allows you to see the situations around your children.<br /><br />Parameters:<br /><br />Battery capacity: 480 mAh<br /><br />Screen size: about 1.44 inches<br />