Automatic Flashing Colorful LED Module KY034

From the shop's description

7 Color Flashing LED Module is a module with an auto-flash LED that can flash up to 7 colors. No programming is needed. Just connect it with a power supply and it’ll work. Features: 7-color flash LED Module for UNO 5mm round head led. light color: pink, yellow, green (highlight) Lens type: white mist PCB Dimensions: 16 x 19mm Specifications: Standard Forward Voltage 3.0-4 .5 V Shape Round DIP type Diameter(mm) 5 Color pink yellow green (high brightness)