1.mono-silicon solar panels, much higher efficiency compared to poly-silicon panels.
2.powerful lithium battery, cycling time is 1500 times plus, long lifetime and high securiry.
3.infrared sensor, more sensitive to humen movement, avoiding interference from others.
4.intelligent mppt controller, high charging efficiency, with various protection functions.
5.with functions of light control, human infrared sensor,
Condition: Brand New