The product host can turn on off by long pressing the touch switch for 2 seconds After the host is powered on,a prompt tone of "drip" will be sent out, and the default display is that the working time is 7 minutes Short press the touch button to start or pause the function output. After 7 minutes of output, the function output will stop automatically When the working time of the product is over, the product host will shut down automatically if there is no key operation within 1 minute SAFETY WARNING Direct eye contact with direct or reflected laser radiation should be avoided. Pregnant women should not use the device near the uterus. Keep the device out of the reach of children. Children under 18 years of age should be treated under adult supervision.[Additional Surprise] - Do you, your family, friends have the following problemsNail damage, ugly nails, etc. ATANG nail treatment for damaged nails Nail Art can help you solve these problems, you will quickly get rid of embarrassment and gain more confidence. This healing device is also the perfect gift for them on birthdays, anniversaries, Christmas and other occasions. Of course, we provide you with satisfactory solutions and the most comprehensive after-sales service. Effective and Painless-7 minutes a day for several weeks, you will see your nails beautify little by little and your symptoms will be greatly improved wash your nails before first use, you can mix it with your favorite nail care products or combine it with medicine, the effect will be better. Our products have been improved in terms of treatment effect and convenience. It has more advantages than other products and worth buying. Anytime, anywhere to use--Nail fungus treatment, small size, light weight, can be carried, long battery life, can last for several days after a full charge, no need to replace the battery and can be used for all fingers and toes, you can use it when you travel or at home. Simple and Convenient--Touch screen switch, just touch it to turn on, LED display replaces the indicator light, protect eyes from glare, the device has a 7-minute digital timer, which can track the treatment time , and the device will automatically turn off after 7 minutes Anti-slip gel particle contact surface design ensures comfortable use and you can enjoy your leisure time while using it. Safe and Reliable Nails--- The nail fungus treatment device has high efficiency natural phototherapy function, 3 lights, 470nm blue light can kill bacteria and keep nails clean, and 905nm ultra-pulsed invisible light can interact with iron ions in hemoglobin to oxygenate the affected area, achieve the treatment effect.