The high tech device can be paired with up to 6 electronic components through a computer installed with software. The software offers functions for programming, identifying, learning, and editing. And it also operates search tasks to modify the remote controller for the most user-friendly experience. 6-in-1 PC programmable remote control. 47 x 4 keys in each bank. 4 macro keys. Programmed from PC by USB cable. Learning, key code search, transmitting search and learning search function. My database, system database and shared database. More than 400Kpcs code database. Software can be downloaded from website; after downloading, no internet connection is needed. Users can set up and manage personal database. Factory database is updated frequently. Strong searching code functions when remotely connecting to PC. Online key codes transmission through PC. 4 main features in software include programming function, identifying function, learning and editing function, key code search, transmitting search and learning search. Supports 6 components including TV, DVD/VCR, SAT, AUX. Each device has 43 x 2 keys, use SHIFT key to swap 2 sets of 43 keys. When connected to PC, remote controller is identified to be HID device with no need for driver software. Compatible with USB1.1 protocol.