A general purpose LED module in Grove form factor, available in different colors.The ingenious PCB design enables you to bend the LED to any position you want, which makes it easy to use it standalone, horizontal or Panel Mount(from left to right in below pics)SpecificationStandard Grove connectorOperate voltage:3.3v/5vEmitting Color: PurpleFor all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read through Preface - Getting Started and Introduction to Grove before your using of the product.