This solar lamp is good for courtyard, lawn, garden decoration, dock, etc. It can automatically charge in daytime and illuminate in the night.
Features:
-No Electrical Installation Required   
-Constructed from Marine Grade Materials
-Weather, Impact, and Corrosion Resistant
-Long Lasting Heavy Duty Storage Cells
-Ideal for Docks, decks, walkways and driveway or slip entries
-Attractive & Functional
-No Less than 10hr run time
-Bright white LED , Illumination
-Powerful solar charging performance
-Installs easily with no wires
-Attractive & Rugged broad-based ABS pillar
-Fits piling diameters 7" and up
-Weatherproof 
Technical details:
-Light Source: 12pcs Ultra-high brightness White LED
-Monocrystalline Solar Panel : 6V/300mAH(1.8W)
-Circuit Protection: Circuit design has overcharge and overdischarge protection
-Rechargeable battery: Ni-MH 3.6V/2500mAH
-Discharge time: If charge for 8 hours(8:30am-4:30pm) in daytime, it can illuminate and discharge continuously at least 22 hours.
-IP Rating: IP44
-Product Size: φ220×120MM
-NET  Weight: 810g
Usage:
Please keep the switch “ON” for the first time usage, then place the solar lamp under the sunshine without no cover or shade