Features: Portable Mobile Supply Module.Hold down the button after standby, LED digital display supply.LED digital screen shows current battery when charging.When discharging, the LED digital screen displays the current , and the display saves about 30 seconds (double-click button to restore the display).After charging and discharging, the system will provide accurate battery instructions.Size: 65 x 25 x 5mm/2.56 x 0.98 x 0.2 inchColor: greenmaterial: plasticPackage Contents:2 x Bank Charging ModuleOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.