Upgrade Red Light Therapy Device for Head, Red Light Therapy Cap with 660nm and 850nm Wavelength, LED Red Light for Scalp Care Hair Protection, Scalp Massager Home Use Specification: Product Type: Red Light Therapy Cap Laser Hair Regrowth Hat Hair Loss Treatment Thermal Helmet Scalp Massager Voltage: 5V Electric Current: 2A Wave Length: 670nm & 830nm Power: 10W Numbor of Led Light: 120pcs(60pcs 660nm+60pcs 850nm) Product Perimeter: 25.6in/65cm Product Diamete: 7.87in/20cm Temperature Range: 43-45 Operating Temperature: 0C to + 27C (32F - 80F) Relative Humi-di-ty: 85% Storage Temperature Range: -30C to +55C(-22F to +130F) Size: 20x10cm Weight: 430g Feature 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. Suitable for most people head circumference: Product perimeter: 25.6 in/65cm, diameter: 7.87 in/20cm, weight: 4.7 ounce/133g 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. 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 Convenient and Continuous to Use Use the Head Cap with Red Light 1-2 times per day for up to 24 weeks or more. The duration of each session can be up to 20 miuntes in one area before moving the device to the next treatment area.