Zimmer cryo air skin cooling machine is designed to cool the skin for reducing pains, redness, swelling and thermal damages caused by laser treatment. The cooling temperature is -4 to -30 degree with 6 cooling speed adjustable. It has round adaptor, middle square adaptor, and large squre adaptor suitable for different body parts treatment. It's the best partner of the pre, post, during laser treatment like 808nm diode laser, IPL, Q-switch nd yag laser machine and so on.