IRESTORE Essential is designed to help you grow back thicker, healthier, and faster-growing hair in the comfort of your home. It uses clinically-proven red light therapy to reactivate dormant hair follicles to restore your natural hair. This 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. 3 times a week. Top Scalp, Hairline & Crown Coverage. Total Power Output: 600mW. Laser Power Classification: Class 3R. Wavelength: 655nm (Red Light). Light Diodes: 120 (51 Lasers and 69 LEDs). Laser Type: Medical-Grade EEL (Edge-Emitting Lasers). LED Type: Medical-Grade LEDs. Weight: 1.03 lbs. What comes in the box. Controller with Timer Display – Corded.