●3-colour LED module ●Size: 3.5 x 2 x 0.8 cm ●Use of 5050 full colour LED ●Operating voltage: 3.3 V - 5 V ●✅ This product contains an e-book that contains useful information about the beginning of your project, it helps with a quick setup and saves time in the configuration process. We offer a range of application examples, complete installation guides and libraries.