This Universal Remote comes equipped with the LED illumination of primary keys for ease of use. LED illumination of primary keys allows you to easily operate your remote control even in the dark. Memorize setup codes even when changing batteries When you finish entering codes to set up your remote, these codes will be saved automatically, so you will not lose your data even when you replace the batteries. This Universal remote control works with all your AV devices from all brands since 1990. Specifically designed for use with DVR/HD devices, this remote includes all the standard buttons to operate your DVR/HD, along with T central, thumbs up/down, volume up/down and repeat. Keep updated for future devices via integrated learning keys. Integrated learning keys allow you to copy and store any functionality from your original remote, simply by pointing and beaming.