Replacement remote for five popular TV brands – Includes preprogrammed TV device buttons for Samsung, LG, Sony, Vizio and Roku TVs – simply press the TV device button that matches your TV’s brand; requires two AA batteries (not included) Preprogrammed streaming app hotkeys – Preprogrammed app hotkeys provide direct access to the most popular streaming apps: Netflix, Disney+, Prime Video, Hulu and YouTube Multi-device control – Operate Samsung, LG, Sony, Vizio and Roku TVS, as well as one other device, such as a Blu-ray/DVD player, cable/satellite receiver, streaming media player, soundbar, etc. Simple setup – AUX button is preprogrammed for Roku boxes but can be reprogrammed to operate another device using auto code search or direct code entry programming; master volume control lets you adjust the volume no matter which device is being used U.S.-based technical support – Patent-pending universal remote comes with free U.S.-based technical support available Monday-Friday, 7AM-8PM Central Time to assist with any questions or issues; online step-by-step programming videos are also available