How are they built and what are their functions? All you need to know about semaphores, you can learn from this episode.
Each set contains 6 modern semaphores with a LED matrix. The matrix allows to display 250 different symbols, 16 million colors and contrasting backgrounds. Each semaphore is equipped with a speaker, which affects different areas of brain during the training. The combination of shapes, colors and sounds gives you unlimited possibilities for grading difficulty of training and testing.
Each semaphore has:
- push-button for switching on and off
- mini usb charging port
- button for resetting the device
- 1/4 inch photo-thread
- sticker with an unique MAC address