... and energy saving,long lifespan Name:5W E27 LED spot lightSpecification and parameter:LED quantity4pcsShell materialAluminum + Transparent lensLED model1W/ ... 30000 hours, 50 times of the tungsten filament lamp.3.Green and environmental, no pollution, no lead ... and landscape2.School, hospital, factory, office, the reading lamp, corridor and stairs lighting.3.Municipal lighting, bank, infrastructure ...