617131a8_it_Requirements___Criminal_Law__Penalties_At_A_Glance
[State] Illinois [Laws / Permit Requirements] Legal but most obtain a Firearm Owner's Identification card [Penalties-At-A-Glance] 
Unlawfully carrying a stun gun is a class A misdemeanor. Penalties include a fine of up to $2,500, up to one year in jail, or both.
Stun Gun Laws and Permit Requirements | Criminal Law
Penalties-At-A-Glance