617131a8_it_Requirements___Criminal_Law__Penalties_At_A_Glance
[State] Washington [Laws / Permit Requirements] Legal without major restrictions [Penalties-At-A-Glance] 
Anyone who, by an act of criminal negligence, causes bodily harm to another person through the use of an electronic shock device or projectile stun gun commits a Class C felony, punishable by a fine of up to $10,000, up to five years in prison, or both.
Stun Gun Laws and Permit Requirements | Criminal Law
Penalties-At-A-Glance