http://www.lightmobile.com/cpdz_show.aspx?id=412 <br />Main parameters: <br />Power: 3W <br />Continuous working time in maximum brightness:≥4 h <br />Stepless adjustable brightness, the brightness for last time use will be automatically memorized. <br />Work Mode: strong light,low light,and flash <br />Lithium ion battery: 2,200mAh <br />Battery voltage: 3.7V <br />Dimension: φ29*139mm <br />Weight: 0.155kg
