NXT光线传感器（Light Sensor）（乐高LEGO 9844）

Detect light intensity!

The Light Sensor assists in helping your robot to "see." Using the NXT Brick (sold separately), it enables your robot to distinguish between light and dark, as well as determine the light intensity in a room or the light intensity of different colors.

• Includes 1 Light 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 or #8547) for use.