What is the best legal gun to ward off intruders in a high crime ridden neighbourhood.....?

I have just moved to a crime ridden neighbourhood and was thinking of getting a gas gun, or something similar, so I can use it in case of any intruders into the house. I want a gun that won't kill the person, instead just injure them. Any ideas?

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).