LEGO® MINDSTORMS® Education EV3 Infrared Beacon
This has been designed for use with the EV3 Infrared Seeker Sensor. The beacon emits an infrared signal which the sensor can track. The beacon can also be used as a remote control for the EV3 brick through signals sent to the infrared sensor.
Requires two AAA batteries
Four individual channels
Includes a beacon button and toggle switch to activate/deactivate
Green LED indicating if the beacon is active
Auto power-down if the unit is not in action for one hour
Working distance of up to two meters