Theory:Laserradiation is the source of energy for cell， it can provide the energy tostimulate more ATP， and then enhance regenerative capacity of cell. Laser treatmentcan provide the biological energy for the cells.(beauty equipment)It can be used for anti-inflammatory，accelerating healing，smallpox seallighter，acne removal and etc.Applications:Herpes/inflammation of mucosaInflammationof skin(cornersof the mouth，cracked lip，chafingskin)Acne，smallscar，wrinkleSpecifications:Unit Class: Low-Level Laser class 3ALaser: GaALAs (Gallium-Aluminium-Arsenide) diode， continuous beamPower Output: Max 6mWLaser Wavelength: 635-670 nmRated Voltage: 3V DCCurrent: 2*1.5ASize: 14*3.8*2.5mmBattery:2 x 1.5V (batteries excluded)Package Included:1 x Acne Pen1 x USB Charging CableNO Retail Box. Packed Safely in Bubble Bag.