New revolutionary thumb Stun Guns, concealed fingertip high voltage Stun Guns Small and lightweight: No need to carry bulky self-defense products. Great for those who are outdoors or just walking back and forth in your car. Safety function: To prevent accidental discharge, the ing ring is equipped with a safety switch. Rechargeable: The charging cable (included) can be plugged into a standard wall outlet to save battery costs and protect the environment In an emergency, simply squeeze the stun gun to activate it quickly and easily. This new technology saves you valuable time without the effort of pressing the right button, and your grip on the device prevents it from falling over. Hiding by hand: The bottom of the device is hidden inside the fist, exposing only the "Sting Ring". The attacker will never know that you are carrying a stun gun, which will surprise you