Caution: color: according to the color of the first picture, in the package: if the quantity is not stated in the description, the item according to the quantity and model in the title. Dimmable led light lamp driver transformer power supply 6/9/12/15/18/21w the product is based on the color or size of the main image of the product page. Features: 100% brand new and high quality high quality and brand new 240v-dc12v led driver, suitable for all the led lamp or any other led strip lights , which making sue that the maximum wattage doesn& 39;T exceed the power of the led driver 6w,9w,12w.15W.18W.21W . Led driver are needed instead of standard 240v to 12v transformer commonly used for halogen bulbs. Without an led driver transformer there is a possibility that the led lamp will either not work or flicker. If an led lamp does work with a normal driver, the led light will have a significantly reduced life and can fail after only a few hours. The maximum rating for these led drivers must not be exceeded. Several led bulbs can be run with thes led drivers these led drivers are suitable for all g4, mr11, mr16/gu5.3 Led bulbs and also most led strip lights, just make sure the maximum wattage of the strip light does not exceed the max output power of the led driver. These led drivers are genuine and fully approved with the ce safely mark. We have tried and tested these drivers for several years and they will enable you to achieve the full design life from your led lights, which should be between 30,000 and 50,000 hours. At 4 hours per day every day of the year, led lights could last over 34 years. It can serve as a beautiful gift for your friend , your family or your girlfriend boyfriend and so on. Best choice for yourself or your dear. You will not be disappointed specifications: color: white type:6w/9w/12w/15w/18w/21w dimmable:yes/no certification: ce, rohs non-dimmable wattage: 6w, 9w, 12w, 15w, 18w, 21w input v/hz : 86-265v/50-60hz output: 3v-12v/300ma 6w , 13v-25v/300ma 9w , 24v-32v/300ma 12w , 24v-45v/300ma 15w , 36v-54v/300ma 18w , 36v-54v/300ma 21w size: 68x34x22mm 6w , 68x34x22mm 9w , 88x40x23mm 12w , 88x40x23mm 15w , 88x40x23mm 18w , 88x40x23mm 21w dimmable: wattage: 6w, 9w, 12w, 15w, 18w, 21w input v/hz 85-265v/50-60hz output dc : 9v-18v 300ma 6w , 12v-24v 300ma 9w , 24v-32v 300ma 12w , 32v-42v 300ma 15w , 36v-54v 300ma 18w , 54v-65v 300ma 21w dimension: 68x34x22mm 6w , 68x34x22mm 9w , 68x34x22mm 12w , 68x34x22mm 15w , 68x34x22mm 18w , 68x34x22mm 21w package included: 1 x led driver led lamp not included Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store