Ultrasonic Sensor

The Ultrasonic Sensor helps your LEGO® MINDSTORMS® NXTrobot judge distances and "see" where objects are! Using the NXT Brick (sold separately), the Ultrasonic Sensor is able to detect an object and measure its proximity in inches or centimeters. Includes 1 Ultrasonic Sensor. Does not include connector cable. This is the individual component, and does not include the NXT Intelligent Brick, software or any accessories. It requires the complete LEGO® MINDSTORMS® NXT set (#8527) for use.