In CLEAN mode, Looj automatically senses and adapts to debris, providing the most effective cleaning.

ENGADGET: iRobot flaunts the Mirra 530 pool cleaning robot, sends the Looj 330 abroad

Looj uses a high-velocity, four-stage auger to blast away leaves, dirt and clogs while brushing gutters clean.

ENGADGET: iRobot flaunts the Mirra 530 pool cleaning robot, sends the Looj 330 abroad

IRobot's manager of marketing, Cristina Addessa, argues that robots like the Looj tap into a shift toward aging gizmo buyers.

FORBES: Household Robots

Robotics manufacture iRobot, which manufactures cleaning robots such as the Roomba, Looj and Scooba, announced today that it has acquired Evolution Robotics, which manufactures the Mint cleaning robot.

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The Looj: a robot that will clean your gutters.

FORBES: iRobot Cleans Your World -- Floors, Gutters, and Pool. What's Next?

Trower's second stage of robotic development includes simple, single-purpose robotic devices like the Roomba or Looj, along with toy robots like WowWee's Robosapien or Lego Mindstorms, a set of programmable robot-building pieces.

FORBES: Household Robots