Safe & Reliable: Our nail laser devices easily and effectively penetrates the nail and generates heat at the site of infection beneath the nail plate. It has a total of 18 LEDS, which use interact with 470nm blue light and 905nm ultra pulse invisible infrared light, providing better physical sterilization and prevention. All you will feel is a warm sensation at your nail. No pain will be felt. The devices is safe, painless, and has no side effects. Multiple Treatment durations: The Nail Fungus Laser Treatment offers three different treatment durations, allowing users to choose the option that best suits their schedule and personal preferences. This flexibility makes it easy to incorporate into daily routines. Larger Size for All Fingers & Toenails: Based on customer demand we upgraded the device to make it wider. This nail fungus cleaning device is larger than the single-toenail/finger device, allows you to treat all problem fingers/toenails at once, which saves your time. How to use: Before using the product device, clean your hands or feet, trim the length of your nails, and put your fingers in the cracks of the nail light device for 7 minutes. When the time is up, it will be automatically extinguished. Please insist on using it twice a day, 7 minutes each time. Restoring your nails to their original beauty. Compact and Portable: Its lightweight and portable design allows you to enjoy safe and effective onychomycosis solution anytime and anywhere, such as using it at home or during travel. This is a good choice for restoring beautiful toenails.