use inport mona/polycrystalline solar panel，conversion efficiency: 15% and more，life span:25years, degree of decay less than 10% within 15 years，output voltage DC12V.
Features of LED lamp:
super energy saving;use American Cree original packing LED, high effective power saving, high quality. use professional LED lens, lumen output increase up to 30%, compare with the traditional light,it can save 60~90% energy with the same lumen output.
super function; special LED packing,endow with excellent heat lead-out function, fast start(start time less than 0.5 secend), stable lumen output,lowest lumen depreciation,low heat.
long life span: single LED??s life can be more than 50,000hs,near 80,000hs.
environment protection:without ultraviolet radiation and harmful radiation.
low lumen depreciation：less than 10% after 10,000hs?? working.
Good looking and easy installation.
Nice heat dissipate PCB.
Heat dissipate well with large aluminum stuff.
no fan but self-cool design.
engineering plastic,aluminum etc corrosion proof stuff, IP 65.
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