Designed for use with MeetingBar A10, MeetingBar A20, and MeetingBar A30 collaboration bars and select Yealink products, including the MeetingEye 500 Customizable shortcuts and a wide range of control buttons let you quickly access key functions and streamline meeting control Navigation key for pan and tilt functions lets you adjust camera angles smoothly for clear and accurate views Supports up to nine camera presets for switching between saved views quickly Uses two separately available AAA batteries for easy replacement whenever needed