If you have a small budget, take a look at the Vipertek VTS-880, which costs around $10. For this price, you get a compact unit that won't take up too much space in your pocket. Even with a small size and a low cost, this stun gun can effectively subdue an attacker.
Are cheap Tasers effective?
Over the years, Axon has claimed that Tasers are between 80 and 97 percent effective at subduing a suspect in the field. But a year-long investigation by APM Reports shows that police rate Tasers as considerably less effective.May 9, 2019
Is Taser legal to buy?
Compared to some other states, California has few restrictions on consumer use of stun guns or Tasers. The state allows anyone to buy, possess, or use a stun gun (without a permit requirement), unless they: have been convicted of a felony or assault. are addicted to any narcotic drug.