![enter image description here][1] ![enter image description here][2] **DESCRIPTION** This product consists of one 8mm RGB LED. It operates at 5V DC. When SIG pin is logic LOW, the RGB LED will show. Perfect for use on Seeeduino digital outputs, or also can be controlled using pulse-width modulation. And uses three adjustable resistor to change the color of the RGB LED. For 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. **Documents** Please visit our [wiki][3] page for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials. For technical support, please post your questions to our forum. For more detail, please visit: http://www.seeedstudio.com/item_detail.html?p_id=852 [1]: /editor/20160711/5783b3e88a329.png [2]: /editor/20160711/5783b3ec86b01.png [3]: http://www.seeedstudio.com/wiki/Grove_-_Variable_Color_LED