It can make eye contact with a seated person by standing up and extending its neck, and has a small vocabulary to express itself. The iRobot can avoid some obstacles and climb over others, for instance CNN correspondent Rick Lockridge iRobot runs on the Linux operating system and is a fully functioning computer. A battery fuels it for about one hour, after which you can recharge by steering it to a charging station. The 2.4 GHz iRobot wirelessly connects to the Internet at 700 KBps, and it has a range of up to 150 feet indoors. It requires a full-time Internet connection providing 300 KBps of outgoing bandwidth or more.
People know the robot is in the room, and they can see the red light flashing when it tapes.