Feature: 1. REDUCES PAIN: Helps reduce discomfort in the back, shoulders and knees, beneficial for muscle fatigue, workout recovery and soreness with no side effects. 2. ANTI WRINKLE: Infrared lamp can increase skin elasticity, improve blood folw, active collagen production and smooth out fine lines and wrinkles. 3. RED BLUE LED: Blue LED removes pimple and inhibits sebaceous gland secretion. Infrared LED can remove wrinkles, rejuvenate skin, whiten, promote metabolism and reduce pain. 4. EFFICIENT: The lamp has ergonomic design, 90° handle is comfortable to use. There are 9 lamp chips, the irradiation area is larger and more effective. 5. APPLICABLE AREAS: You can easily use it on your knees, shoulders, neck, wrists, fingers, lower back, ankles, face or any other painful areas. Specification: Item Type: Infrared Beauty Lamp Material: ABS Built In Battery: Lithium on battery 2500mAH Application Description: Light Treatment Effect: Through physics, emitting 460: 630: 660: 850: 940nm LED wavelengths (with He Ne laser in the same wavelength, deep penetration, penetrating the body with the optical effects of red LED and red LED wavelengths, LED on the mitochondrial peroxidase activity increased, enhance cell metabolism and protein synthesis, promote local blood circulation, control infection increase.. Package List: 1 x Infrared Beauty Lamp1 x Instruction Manual1 x USB Cable Note: 850, 940NM is concealed light to the naked eye