Crestron’s HTT-B2EX-BATT is a battery-powered, two-button, wireless keypad designed to control a wide range of applications supported by a Crestron control system. The tabletop keypad can be used as a hotel bedside controller, a conference room presenter selector or a simple living room lighting/shade controller. It works over Crestron infiNET EX 2.4 GHz mesh network technology and is powered by two lithium coin cell batteries.