Spec.:
1. Battery Type: li-polymer
2. Capacity: 1800mAh
3. Input: DC 5V/550mA(Max)
4. Output: 2*USB  5V/850mA(Max)
5.Dimension:90*54*8mm

Features:
1、Switch for the the different fuction.USB output,laser light and off.
2、Charging indication:LEDturns to red,and it will turn off when it is full charged.
3、Capacity display:LED turns to red when power over 50%,and if the Power less than 50%,all red and green LED will turn on.
4、Color of Laser light is red,and light range over than 50m.