Acoustic Research 15-DEVICE Universal Remote Control with LCD Touch-screen LCD touch-screen (4.5" W x 2.25" H) with 40 keys; enables display of only keys needed to control a single component 31 programmable keys provided for each component Internal Atomic Clock synchronizes via transmission from the National Institute of Standards and Technology, guaranteeing accurate time Ten macro settings, each providing up to 25 steps and event timers Non-volatile memory back-up saves all customizing and programming