The LEVITON exclusive Provolt™ Room Controllers (PRC) offer high performance, code compliant, advanced room configuration in one easy-to-install device. Installers can download the Provolt Bluetooth Mobile App for quick-and-easy room configuration and testing with an iOS or Android device. White housing. 120 or 277V operation. Not used to operate 208V or 240V fixtures. 5 year limited warranty.