Our factory briefing youtube link: *****We were throwing ourselves in LED industry from 1993, and capitalize more than 500 million *s specific in manufacturing energy saving relevant products, right now we have more 300 employee in Taiwan & China, we dedicate ourselves in order to provide the best performance of power consumption of LED, and build up a professional lab to research, develop and examine our products, keep ourselves as a pioneer and leading the LED industry.Here is our advantage...1. energy save up to 80% high intensity2. 5 years life span3. 110 lumen for each watt PFC is 90%4. Instant start, no flicking, no humming5. work under unstable voltage , no RF interference6. circuit design each LED work separately avoiding the single broken LED in influence problemFor more information please visit our website *****