Texas Instruments TI-CBR2

• For TI-graphing calculators: TI-82, TI-83, TI-83 Plus, TI-85, TI-83 Plus Silver Edition, TI-86, TI-92, TI-92 Plus and TI-89*. Can also be used as an ultrasonic motion sensor for the CBL and CBL2.
• Manual "trigger" button.
• Pivoting sensor head (0-180), measurement range from 0.5 m to 6 m.
• User-guide included. Versatile mounting options with standard tripod mounting socket.
• Integrated software can be transferred to the calculator by pressing one button.*

* not for the TI-89