... near6. Protect function: Over charging, over disch arging, over current, short circuit7. Advantage for electronic: a) Constant voltage ... 4.2V charging type b) Input current limited c) Output current limited d) Backflow current proof for solar cell e) ... /DIM/brightProtect functionOver charging, over disch arging, over current, short circuitSize132*92*77mmMore picturesInstruction book for Motion Sensor ...