View the images from Right to Left
Step 1 Slide the hand through the contactless fingerprints reader
Step 2 If the fingerprints has been registered in the fingerprints database
it will be authenticated, the light will change from yellow to green, flap door will open
Cross over the gate (flap door)
Crotherwise, it will turn red, door will remain closed.
Step 3 HOWEVER, this set-up is 100% EXPLOITABLE!! & EASILY HACKED!