... to adjust the lamp head Why Led?1. Energy saving light. Compared with incandescent lamp, Led lamp can save 80% power consumption.2. Long lifespan:40000hrs.3 ... ,LED downlight,LED cabinet light , LED spot lights, LED floodlights, LED underwater lights, LED underground lights, LED ceiling lights, SMD LED tube, LED bulb lights ,LED street lights, Flexible LED strips light , LED rigid strips light ...