Allergen Detection Pen / detection pen

The allergen detection pen would help you to protect youself from those allegens.
We stock your allergic history inside the pen. Before you’d like to eat a dish, or use some skin cream, it’s better to take a first. Push the bottom and soak the penpoint into the thing, the sensor would detecte whether there was any allergen match with the data stocking here. And the screen and the light on the top would show you if there are any allergen or not.