Give your students tools, not toys! Phidgets are real-world sensors that make STEM education fun and practical. The Motion Sensor Phidget allows you to detect motion from up to 10m away This sensor detects motion through infrared radiation, making it excellent for detecting the movement of people or animals. *Note: This device requires the Phidget Getting Started Kit. If you have already purchased a Phidget Getting Started kit, you do not need an additional one for this device.