Features: Blue light LED is used for eliminating the bacteria that cause pimples on your face, make skin healthier. Red light LED can diminish inflammation, helps repair skin damage and reduces pimple marks. LED phototherapy way can activates cellular energy and promotes the body's natural healing process, so as to produce new proteins and regenerate cells. Battery powered, you just need to replace battery, convenient and fast. Portable design, small and exquisite appearance, easy to operate and carry. Specification: Condition: 100% Brand New Item Type: Pimple Removal Pen Battery: 1 * AAA Battery(Not Included) Package list: 1 * Main Machine 1 * Screwdriver 1 * Manual Direction for Use: 1. Used against the face. 2. Generally, the machine is turned on with a long beep, and the beep is automatically turned off after two minutes. If there is no power to change the battery, it may turn off quickly and beep three times. 3. One part 2 minutes / time, 3 times / day. 4. If another person uses it, it is recommended to rub the lamp to disinfect the lamp. (Alcohol-coated cloth should not be too wet) 5. Of course, the official does not recommend public use, which is easy to infect 6. Unscrew the tail and put the battery tightly, then press the button, otherwise the power will not turn on. 7. Press and hold the power button for one second until the device beeps. 8. Apply directly to clean skin so that the light completely surrounds the pimples. 9. Use for 2 minutes. The device will automatically turn off after 2 minutes. 10. Use it three times a day until pimples disappear.