Here's a video of it in action. It looks like a finger print scanner connected to a phone. https://www.youtube.com/watch?v=p31LN6IyIrY https://www.youtube.com/

Here's a video of it in action. It looks like a finger print scanner connected to a phone. https://www.youtube.com/watch?v=p31LN6IyIrY https://www.youtube.com/watch?v=p31LN6IyIrY