There is no “non lethal” weapon. There are only weapons that are less likely to kill or cripple.
A “non lethal” pellet to the eye can still permanently blind someone, and a blow to the head can kill or cause brain damage.
In grade school, a girl accidently shot her mother with a bb gun and killed her. Hit at just the right angle.
Anything linked to a cell phone is not secure. Just wait until someone nearby hacks in and has your gun go off at some kiddies.
The preferred term in law enforcement is “less lethal”.
CC