iRESTORE Essential is designed to help you grow back thicker, healthier, and faster-growing hair in the comfort of your home. It uses our clinically-proven Lumitech™ red light therapy to reactivate dormant hair follicles to restore your natural hair. The patented design offers great scalp coverage in the most common areas of hair loss with widening parts, thinning crown, and bald spots. It's a non-invasive, non-surgical, drug-free, and pain-free way to restore your hair and confidence. 120 Diodes (Lasers & LEDs) 600mW Total Power Output 25-Minute Treatments - 3 times a week Top Scalp, Hairline & Crown Coverage Wavelength - 655nm (red light) Item did work and I did notice improvement but since I have cancer my dr changed and put me on minoxidil instead. Item is like brand new and have the box and receipt