this is a  single color led controller.this product has powerful functions and small size， it presents multiple sepcial dynamic models，brings a new application for single colour led decoration. besides， it can be used as a led dimmer. you can easily change dynamic mode， speed and brightness by pressing 3 keys on its slim body. it also has auto memorize function.it's the best mate for your led strips.<br /><br />specifications：<br />1.100%  and high quality<br />2.auto memorize function<br />3.single color dynamic modes<br />4.work voltage : 12v dc<br />5.item: latest products<br />6.control: brightness， flashing， flashing modes<br />7.button:3 keys<br />8.used for:single color led strip(5050，3528，5630)<br />9.quantity: 1pc<br />10.length：25.5cm<br /><br />package included：<br />1xsingle color led controller