Feature: 1. Low energy laser with specific wavelength can dredge sebaceous gland catheter, reduce and control oil secretion, improve hair loss. 2. Low energy laser irradiate can make hair follicle open, the thermal effect of inferior light makes skin temperature increase, release vasoactive material, blood flowing speeds up, blood circulation improves. 3. Enhance tissue nutrition, activate tissue metabolism, improve oxygen supply to cells, improve oxygen supply to the lesion area, strengthen cell regeneration, promote hair follicle division, hair regeneration. 4. By using 82pcs diodes to increase the head covering area, the light is more comprehensive. 5. Three brightness adjustment, to meet the different hair growth needs. Specification: Condition: 100% Brand New Item Type: Hair Growth Helmet Material: ABS Battery Capacity: 1800mah Light Chips Quantity: 82pcs Gears: 3 Gears Package List: 1 x Hair Growth Helmet 1 x Manual 1 x Charging Cable 1 x Charging Plug 1 x Storage Bag