... long lifetime 3.Saving energy 4.CE,RoHS,ISO9001:2000 LED light bulb for civil use, like house,office,park,family,factory ... to traditional tubes3. Eco-friendly: No UV, IR, mercury and other harmful materials4. Long lifespan: More than 50,000 Hours5 ... . Exquisite appearance: Easy to install and maintain6. No Stroboscopic and no delay on startApplications:1.Family Use2. Factories3. ...