Feature:1. Infrared Light: Low energy infrared light awakens hair follicles. Infrared light penetrates the scalp and acts directly on the hair follicles, nourishing the hair roots and reproducing healthy hair follicles.2. Hair Repair: Effectively prevents hair loss, balances oil, provides a healthy growth environment for hair, and repairs hair quickly for thicker and denser hair.3. 82pcs Light Chip: Contains 82 professional laser irradiation points, scientifically evenly distributed, fully covering the scalp, the laser head emits accurate wavelengths, giving powerful energy to hair follicles and promoting natural hair growth.4. Helmet Design: Easy to wear, red light energy covers the entire scalp. One button start, easy to operate, USB interface on the back of the helmet for charging, convenient and fast.5. ABS Material: Hair growth helmet adopts high quality ABS material, safe and eco friendly, firm and sturdy, stable and wear resistant, durable for use.Specification:Item Type: Hair Growth HelmetMaterial: ABSNumber of Light Chips: 82pcsLaser Wavelength: 650nmCharging Method: USB ChargingBuilt In Battery Type: Li ion batteryBattery Capacity: 2000mAhProduct Size: Approx. 255 x 202 x 138mm / 10 x 8 x 5.4in.Package List:1 x Host1 x USB Cable1 x Manual1 x Storage Bag3 x Replacement SpongeNote:Please allow slight error due to manual measurement. Thanks for your understanding.