Product The LED therapy Hat is a hair loss treatment and hair growth equipment, which mainly stimulates weakened hair follicles in a painless way, strengthens the growth vitality of hair follicles, and then promotes healthy hair growth. The device includes infrared 850nm and red 660nm The LED Therapy Hat is specially designed to treat thinning hair and balding, help reverse and prevent hair loss and stimulate hair regeneration. Features: 3-gears adjustment, can operate under 10HZ and 40HZ pulses separately.Convenient for individual control. Specification: Applicable objects: hair loss, thin hair Function: hair growth, hair care Material: diving material Color: Black/Red/Blue Product size: 21.5*18cm Temperature range: 43-45C Number of lamp beads: 240 (120x 660nm red light + 120x 850nm infrared) Frequency of treatment: Use for 20 minutes every other day. Power supply condition: DC 5V-2A Product weight: hair growth cap 0.15kg; power supply 0.1kg Your box will include the following: 1x LED Therapy Hat 1x USB Power Cord 1x User Manual