Needle-free Injection System for cosmetics. The electrical powered, handheld, light-weighted needle-free injection system is very easy to use. Just push the button and injection finishes in half second. It can do multiple and continuous injections without any reloading. Suitable for multiple injections at short period. Dose set upon customer's request, can be changed through different nozzles. Please contact zamedical@aliyun.com for detailed information.