Basic EE: 2.1 mA times 1200 volts is not more than about 2.5 watts. Peak. "Low duty cycle." Presumably distributed between two locations. About one watt per dart-on-skin location.
Cases reported to Jury Verdict Research in Horsham, Pa., which doesn’t receive information on all cases, show that of 16 lawsuits filed that involve excessive force and Tasers... ...settled, one for $750,000 for an Orlando student who was burned and suffered permanent scarring... ... $1.08 million for an Arkansas man who was burned... ...an Albuquerque, N.M., man was awarded $307,030 for his burns...[LINK]
How do you tell that a stungun salesman is lying?
His mouth is moving.