sentences:  The CrustaStun comprises a stainless-steel box approximately the size of a domestic microwave oven containing a tray with a wet sponge and an electrode.The shellfish is placed in the box and when the lid is closed, the wet sponge conducts the current which electrocutes the animal with a 110 volt, 2–5 amp charge.It is reported the CrustaStun renders the shellfish unconscious in 0.3 seconds and kills the animal in 5 to 10 seconds, compared to 3 minutes to kill a lobster by boiling or 4.5 minutes for a crab.