Big Power 1055mw, effective. Color: GOLD or WHITE. Special design of Magnetic cover. Could prevent skin burning. Home-Use Light Therapy Device, Handhold, portable. Medical Grade, Suggested by Doctors/Vets. Most popular one suggested by doctors/vets. Newest Portable Handheld Pain Relief Cold Light Therapy Device for HUMAN/ PETS. Newest Portable Handheld Pain Relief Cold Light Therapy Device for HUMAN/ VETS. We suggest to use it 10–25mins/time. Pain Relief for Knee. Back Joint and Muscle Pain. Safe healing Cold light wavelengths. The 808nm is effective for healing pains. This high quality device is safe and portable when you at home or travel. It is effective at treating both Human and Animals of all areas. You could choose the time. Five 808nm LASER DIODES in the centre are invisible by eyes. PHYSIOTHERAPY PAIN RELIEF DEVICE HOME USE: Suitable for human wrist, foot, elbow, ankle, neck, waist, back, ear, face, shoulder, back, leg, knee, nerves, muscle pain, tennis elbow. Also it serves as an aid to therapy for various diseases such as frozen shoulder, arthritis and neuromuscular pain. Treatment time is one or twice a day, about 10-25 minutes each time. 15 days is one treatment course and 2-3 days’ interval between 2 courses. 30days no reason return. 1x Safety Glasses with zipper case. This device has a perfect combination of 11x 650nm lasers and 5x 808nm laser. The 808nm lasers are more powerful but invisible to the human eye. Power: 650nm/each =5mW x 11 diodes 808nm/each =200mW x 5 diodes Total=1055mW.