Power options: USB powered or 5V DC input. What it does and why you need it Enables centralized control of multiple infrared IR appliances, with the option to install the device hidden for a clean look. Simplifies operation by consolidating control of several devices from a single point. Key compatibility and performance Suitable for a wide range of common IR devices including TV sets, STBs, DVDs, DVRs, video recorders, and satellite receivers. Applies to all remote control devices, offering broad compatibility across typical home entertainment setups. 23 practical use scenarios Living room cabinet: install the device inside a cabinet or behind furniture to centrally control your TV, set box, DVD player, DVR, and projector without clutter. Home theater setup: use in a media room to streamline control of multiple IR devices from one location, reducing remote clutter and simplifying daily use. Bedroom or office environment: manage a TV, fan, air conditioner, and other IR devices from a single hub for convenient, streamlined operation.