Very little switch, need a minimal force to be activated.
BLINK EYE SWITCH is an infrared sensor that can sense the eye movement, or the lowering of the eyelid and "transform" into a signal.
The sensor Scat and an optical sensor which detects the smallest movements and also providing acoustic feedback.
IST is a sensor suitable for very different situations as a unit composed of three different types of activators. The three activators can be used with very different parts of the body, this feature makes it a very flexible sensor.