RF Touch Color Replacement Remote for TC4 series RGB controllers and RGB LED bulbs. Control range of 65 feet in open air. Color selection wheel provides thousands of color options including pure white. 19 dynamic color-changing modes with speed, brightness and ON/OFF controls. Compatible with Wi-Fi LED Controller Hub (WIFI-CON -- Sold separately) for adjusting all controller functions using a Smartphone or tablet running Android or iOS. Search for the free app 'milight' in your device's marketplace.