The overall shell is made of ABC engineering plastic, with a comfortable grip using frosting technology. It is composed of a fully enclosed high-voltage generator and a rechargeable cadmium nickel battery, and has advanced pulse technology. The triple action attack needle increases the contact range, and the front end of the electric shock button in the palm of the hand instantly releases a strong arc, which can achieve maximum self-defense effect. The overall length of 9 centimeters is very small, highly concealed, and easy to carry. It is a good defense tool