The Flip 80 Laser Cap is uniquely designed to treat the front or back of your head or both with a simple flip. Full Coverage With A Simple Flip The Flip 80 Laser Cap is the first and only cordless laser cap device uniquely designed to treat the front or back of your head, or both with a simple flip. 80 medical grade lasers are focused in half of the cap, providing double the laser density of other 80 diode laser caps and the equivalent of 160 total lasers on the scalp when flipped. ClinicallyProven TechnologyFDA Cleared*For Men & WomenDoctorRecommended Engineered with these unique features: 15 minutes partial scalp coverage / 30 minute full scalp coverage treatment timeBest fits head sizes up to 22.5 in (57.15 cm) in circumferenceTherapeutic light energy stimulates follicles, reverses thinning, restores the hair?s natural growth cycle, and promotes hair growth80 medical grade lasers (no LEDs)800mW Total power output when flippedUnique design treats front of scalp, back of scalp, or both with just a flipLightest Cap device on the market, weighs just 9.6 oz., providing an ultra-comfortable treatmentUsers receive equal to 160 lasers for the cost of 80 when used on the back and frontThe translucent silicone liner protects and conceals the laser diodes