Feature: 1. PHYSICAL THERAPY: Bring the light as close as possible to the area to be irradiated, up to 3 times a day. The duration of treatment varies from person to person, depending on age, severity of the infection, etc. The duration of treatment is approximately 3 to 6 months. 2. NAIL CARE: The physical therapy pen is effective in improving nail infections, providing effective foot care, toe whitening and improving nail health. 3. COMPACT: Compact and small nail treatment device improves the appearance and health of the fingernails and toenails that suffer from common conditions. 4. SAFE: This finger and toe treatment pen can safely and pain free resolve nail infections. It has no side effects and can be used without worry. 5. PORTABLE DESIGN: This pen is small and light enough to carry around, easy to use, no complicated treatment procedures, and no need to the nail after use. Specification: Item Type: Nail Treatment Pen Material: ABS Battery: 1 x lithium ion battery (shipped without battery) Battery Type: 18650 Characteristics: 1. Non invasive, pain free, no side effects, pure physical therapy 2. Make the light as close as possible to the area to be irradiated, up to 3 times a day 3. Physical therapy time varies from person to person, depending on age, severity of infection and other variables 4. Treatment time is about 3-6 months How to Use: Install the battery, press the turn on button to use, use 7-15 minutes a day, 3-6 months of continuous use. Package List: 1 x Physical Therapy Device 1 x Instruction Manual 1 x Battery Charger 1 x Bracket 1 x Bracket HeadPORTABLE DESIGN: This pen is small and light enough to carry around, easy to use, no complicated treatment procedures, and no need to the nail after use. PHYSICAL THERAPY: Bring the light as close as possible to the area to be irradiated, up to 3 times a day. The duration of treatment varies from person to person, depending on age, severity of the infection, etc. The duration of treatment is approximately. SAFE: This finger and toe treatment pen can safely and pain free resolve nail infections. It has no side effects and can be used without worry. COMPACT: Compact and small nail treatment device improves the appearance and health of the fingernails and toenails that suffer from common conditions. NAIL CARE: The physical therapy pen is effective in improving nail infections, providing effective foot care, toe whitening and improving nail health.