Solar panel: 5V/18W, life: 25 years; Light source: 660LM, imported lamp beads, equivalent to traditional LED 7w brightness, life expectancy 50000hrs; Battery: 3.2V/20AH, lithium iron phosphate battery, life 8-12 years; Illumination: high brightness in the first 4 hours, intelligent power regulation after 4 hours. Installation: wall lamps, pole lamps, lawn lamps, garden lamps