Enjoys Fun of DIY - Smart LED Light Kit includes 4 light blocks & 1 base for more variety of patterns Sync Music - Works with Amazon Alexa & Google Home for Color Changing with music Fantastic Colors - Up to 16 million colors, 70 dynamic effect & brightness changing mode to choose via APP Intelligent Assistant - Turn on to welcome you home or reduce brightness when it's time to go to bed Even Illumination & Safety - Each light block with 19 LEDs & no dark area; CE, RoHS, FCC for safety