617131a8_it_Requirements___Criminal_Law__Penalties_At_A_Glance
[State] Michigan [Laws / Permit Requirements] Legal but a concealed pistol permit is required [Penalties-At-A-Glance] 
It is a felony to sell or possess a stun gun. Penalties include a fine of up to $2,000, up to four years in prison, or both.
Stun Gun Laws and Permit Requirements | Criminal Law
Penalties-At-A-Glance