portable 2w solar post light 1) Control knob for full-adjustable brightness ,you can adjust the britness with 0-100% 2) Can be charged by sunlight or AC charger 3) Super bright led at night of dark place 4) Has noctilucent display,easy to find in darkness 5) With USB power cable,can charge for all kinds mobile phones 6) Different colors for your choice 1.One years 2.Within 1 years,we replace any LED module or Driver for free, with our payment for shipping cost to or fro. 3.After 1 years, if LED module or Driver failed work, we supply new ones at favourable price.