Voltage: 220V, 50Hz, power: 260WWavelength range: 2-25 microns,Effect: Persist in use, try not to interrupt, the effect will be better.Auxiliary: It has better auxiliary physiotherapy effects on sports injuries, frozen shoulder, lumbar muscle strain, rheumatoid arthritis, bone hyperplasia and lumbar disc herniation.Note: This infrared physiotherapy lamp only provides adjuvant therapy and is not a substitute for medical treatment.