tecla-e itself is a light-touch button switch that can be used to control your devices. It requires about 200 gr of force for activation.
WARNING: Due to the multiple radios built-into tecla-e, tecla-e should be positioned at least 20 cm away from the user's head. If you will be using head movements to access and control your devices, get a compatible external switch. You can see the range of switches we carry in the following link: