CREDIT International Limited is a technology based company , whom is aiming at new technology researching for LED lighting , making the most stable LED light .LED Tube light is our most advanced product.Which we are having several patent technology. For our LED tube light we can offer 2-5 years warrantee. Our tube had approved by ETL USA(intertek) testing which is using UL1993 &UL 8750 3rd version standards .We are having two most advanced technology, one is the dim technology on our tube , which don&＃039;t need any dimmer , just install it and enjoy dim tube with your regular switch. NO UV contained. Beside the LED tube light , SmartGreen still offering other series indoor LED light , like LED Household bulb, LED spot light , LED par light .Out door light like LED flood light , LED street light , LED industrial light .Please visit us to get more information at ***** Our mission is dedicating to promote the Green life idea, kill Greenhouse gas to protect our earth