USB Killers shouldn’t need any introduction for electronic enthusiasts and those of you who keep up with the hacking community. It is a USB thumb drive that can send high-voltage power surges to your laptop or computer to fry its components. The USB Isolator is a handy tool that can prevent surge attacks and prevent short circuits.
You can use this to protect your computer, laptop, Raspberry Pi, and everything in between. When a short circuit happens, the red light on the USB Isolator turns on.The device is based ADuM3160.