1. It can produce continuous cooling wind to target tissue to minimize pain and thermal injury during laser and ipl treatment, provide temporary relief for cosmetic injections. 2. Wind speed (cold air) and cooling time can be adjusted from level 1-7 and cooling time 1-60 minutes on screen according to patient’s comfort. 3. The cooling level can be up to -30 degree, so in actual therapy laser or ipl can use high power to performhigh efficient and fast treatment. 4. Flexible to operate, no consumables or additional costs,fashionable, economic and professional.