About this item: Multifunctional design, equipped with lighter and flashlight, self-protection electric shock device. The shell is made of space aluminum and uses aluminum oxide coating technology, which is wear-resistant and fall-resistant. Built-in 200mAh battery, which can be easily charged with a computer, adapter, or power bank. (Note: do not slide when charging to ensure normal charging process.) Equipped with an anti-accidental touch switch to prevent accidental opening, making it safer to use. Lightweight and small, it comes with a hanging loop for use with a key chain or lanyard, then easily slips into your pocket or purse. .