The best replacement for taser is stun gun.

The best alternatives to taser are rated as following:
★★★★★  stun gun
★★★  gun
★★★  pepper spray
★★  bull
★★  mace
★  stinger
★  taser
★  tazer
★  karbon arms
★  handgun
★  stun
★  phazer
★  defibrillator
★  baton
  oc spray
  oc
  cattle prod
  pepper spray which is better
  phazzer
  stun guns
  hans

Your alternative for taser is not listed? Suggest!
Speaking about taser, one probably shouldn't forget about flashlight.

Other search terms related to taser and their ratings are:
★★★★★ flashlight
You have in mind a companion for taser and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of taser in all years. Click on graph for more.
taser
stun gun
gun