The RC-GZ1 is a universal remote control engineered as a direct substitute for Roku streaming devices and Roku-compatible televisions, offering voice control functionality for content search, channel launching, and menu navigation. Compatible with Roku Streaming Stick+, Roku Ultra, Premiere, Streambar, and Roku TVs from TCL, ONN, Hisense, Sharp, and similar brands, it replaces models RC-FA5, RC-AL5, RC-AL2, RC-FA1, and RC-81. Setup requires battery installation followed by pressing the pairing button while powering your Roku device for automatic recognition. Control features include volume adjustment, input switching, and app launching via tap or voice command, with app shortcut button configurations varying by compatible unit.