Helmet Laser Caps From The Leader In Laser Hair Growth The hair growth helmet uses advanced LLLT of wave length 650 nm soft laser and 36pcs laser diodes to stimulate the scalp, promote the activity of hair follicle cells and healthy hair growth. The iHelmet helps restore your hair’s natural growth cycle resulting in new hair growth with increased density, fullness, and vibrancy. Even the movable soft rubber fitting tabs, designed to ensure the helmet fits well on your head for customized comfort, show the level of detail and thought that went into making the iHelmet. Product Features: - Clinically-proven hair loss solution for men and women - Safe, effective and FDA(510k) Cleared - Hands-free, full-scalp coverage Working Environment: - Working temperature:10℃-30℃ - Working humidity: no more than 70%RH, non-condensing - Heating time: If transport or storage outside the optimum operating temperature range, place it at room temperature for 2 hours before use, in order to get working temperature of device. Switch Operation: - Power on: press the switch 0.5 seconds to turn on - Power off: press the switch 3 seconds to turn off