Specification:  & 10085;Product Type: Red Light Therapy Cap Laser Hair Regrowth Hat Hair Loss Treatment Thermal Helmet Scalp Massager  & 10085;Voltage: 5V & 10085;Electric Current: 2A & 10085;Wave Length: 670nm & 830nm & 10085;Power: 10W & 10085;Numbor of Led Light: 120pcs(60pcs 660nm+60pcs 850nm) & 10085;Product Perimeter: 25.6in/65cm & 10085;Product Diamete: 7.87in/20cm & 10085;Temperature Range: 43-45& 8451; & 10085;Operating Temperature: 0°C to + 27°C (32°F - 80°F)  & 10085;Relative Humi-di-ty: 85% Storage  & 10085;Temperature Range: -30°C to +55°C(-22°F to +130°F) & 10085;Size: 20x10cm & 10085;Weight: 430g  Feature  & 10085;Red Infrared Light Therapy Hat: Expose the skin to visible red light 660nm wavelength and invisible infrared light 850nm wavelength, penetrate deep into the skin tissue, make the scalp absorb energy, promote blood circulation and relieve pain. & 10085;Suitable for most people head circumference: Product perimeter: 25.6 in/65cm, diameter: 7.87 in/20cm, weight: 4.7 ounce/133g & 10085;Pulse Modes: This red light therapy hat has 10HZ and 40HZ pulse modes for customers to avoid scalp burns. It works by pulsed flashing to decrease the epidermal layer's hot sensation but ensure the dermis's working temperature. & 10085;Insist on Use for Better Results: Use thedevice 1- 2 times per day for yp to 24 weeks or more. The duration of each session can be up to 20 minutes in one area before moving the device to the next treatment area.       660nm Wavelengths Red Light:  Penetrate deep into the hypodermis and neurons,for hypertension cognitive performance wound healingcell proliferation painand skin rejuvenationetc.  830nm Wavelengths Near Infrared Light:  Penetrate deep into the tissue for bone repairarthritis muscle energy metabolisme exercise performance and oral healthetc Note: 830nm Infrared light is invisible to the naked eyes               What You Get?  1 * Hair growth cap 1 * USB Cable 1 * Manual