Alta Tazer
Alta Tazer is a common one-handed electric unique weapon.
An emergency tool used for self defence. LMB stuns enemies in front of you.
Ingame
Radiomessages on pickup:
- You’ve just picked up an alta weapon, or an “energy tool”, as they call it. According to my database, these usually have an extended set of features. I suggest reading its description.
Sources
Can be obtained via 
Spawnable Item Pack or 