The UR3L-SR4 series remote controls are Tru2way / OCAP compliant with the capability of controlling 3 devices (Cable Set-top Box, TV, and DVD). The UR3L-SR4 series features large buttons and die cut glow-in-the-dark numeric keys to provide complete control for Digital and IPTV set-top boxes as well as easy access to On Demand and DVR features. The UR3L-SR4 series features a programmable System Power button to turn on all devices with the push of one button. Complete with Channel and Volume Lock to provide customization of control settings. The UR3L-SR4 is also available in an IR learning version. Ten year Memory Lock will store remote settings when batteries are removed. The remote is powered by 2 AAA Alkaline batteries (included) and is available with a Black colored case. Large print User Guide/Programming Manual included.