Instrument to treat stings, irritations and other adverse effects of insects, jellyfish and stinging nettles. The design of Zanza click allows to reduce and help with the unpleasant consequences of skin exposure to stinging nettles, jellyfish and insect stings. The device is technologically advanced and easy to use, it works by using short, predetermined high voltage and low amperage electrical impulses, absolutely safe for the human body and almost completely painless, it has been used for many years in other first aid medical fields. The generation of electric shocks obtained by compression on the surface of some quartz crystals. Ecological product, has no adverse signs and does not release chemicals and has a long life estimated for use with about 5000 stings.