... after-service,it's an ideal install in street and garden and high road.The panel is high efficiency monocrystalline silicon,25 years ... life span,LiFePo4 battery,5 years life time,and the lamp is LED with high brightness,PIR motion sensor,when ... 50%,in order to saving energy,PWM controller,control the light on and off.Company Service:1. For all your inquires about us ...