... treatment handle 3.Hair removal of all body 808 nm diode laser whole body hair removal machine Important Note 1.Please ... authorized engineers . Safety Note 2.1 Protection from Intension Light1. Diode laser light wavelength is 808\940 nm ±5 nm .The ... crystal as light guide, never worn, life-long use without replacement.2. Semiconductor refrigeration, air cooling, closed loop force strong temperature ...