USB killer V3.0 USBkillerV3 U Disk Miniatur power High Voltage Pulse Generator 　 Description: Features: Summary of frequently asked questions and answers: 1: Can it be reused? A: Yes. 2: Need to charge? A: No need 3: What is the difference between the 2nd generation and the 3rd generation, and why is the 2nd generation more expensive? A: Appearance, circuit, and output voltage are different. The 2nd generation output is about 300V, and the 3rd generation output is minus 300V~ negative 500V. The 2nd generation is more expensive because the 2nd generation is more expensive. In fact, I think the 3rd generation is better. 4: Is the circuit diagram provided? A: No, please respect the labor results of the owner. 5: What is the tester? A: The tester is an option to test whether the USB killer can work normally. Plug in the power supply and plug the USB withstand voltage tester on the other side. You can spark on the two leads of the tester. For details, please see this link. Main picture video: tester 6: What is the protector? A: The protector can protect your computer and other devices, prevent attacks from USB killers of 3rd generation and below, and can be loaded into the chassis. For details, please see the main picture video of this link: Protector 7: Is it effective for mobile phones? A: This product is specially designed for computers, so the mobile phone is not necessarily valid. For details, please see the main picture video of this link: Pressure Tester 8: Can the outer casing be replaced? A: 2 generations can not, 3 generations can be, 3 generations of PCB is designed according to the "general U disk shell", so the search for "universal U disk shell" in Taobao is basically compatible, but pay attention to the internal space is not too narrow. 9: Is there any precautions? A: No matter 2 or 3 generations of continuous work, do not work more than 10 seconds (to prevent burning), do not plug in the charging head (mains danger), do not plug in charging treasure (lithium ion activity is strong). 11: Any product purchased in our store. You can get a copy of Baidu's network disk course, which is rich in content and has many files. (There are too many files or members need to be able to transfer them at one time, and only one of them can be selected). 12: This product is strictly forbidden to do anything that violates morality or even law. If there is a violation, the owner is not responsible. This product is only suitable for computer motherboards, industrial control equipment, medical equipment, testing of measuring instruments and other discrete power supply mainframes or their options. Its interface is USB TYPE-A. Not applicable: microusb .Usb typec. Lighting .A pin-intensive interface.