... . Bridgelux LED ship 130-140 LM/watt2.>100000hrs life 5years warranty4.Best Price /Quality 60W LED LIGHTS ... conversion efficiency can be up to 17%; 20 years life, 5 years guarantee.2. Battery: we can supply ... over charge and over discharge protection ;8~10 years life, 3 years guarantee.3. Pole: our pole is ... internet wires or wireless )4> 3~8 years life, 3 years guarantee.5> It has 15 protection ...