1、660nm Wavelength: Deep red 660nm is the most suitable wavelength, mimics the red wavelength of the sun, so that you can bask in the sun at home, carry out simple training, enjoy the bright irradiation anytime and anywhere, avoid not enough time to go to the beauty salon. 2、850nm Wavelength: Infrared 850nm is invisible to the naked eye, but works normally, it can penetrate deeper into the skin, increasing light penetration to pain points, relieving pain more effectively, and providing the necessary energy for cells to renew nutrients and remove waste. 3、Good for Health: It can help reduce facial pimple, help whiten skin, reduce shoulder, waist and abdominal scar pain, promote muscle healing and wound healing, improve sleep blood circulation, help to sleep deeply, reduce anxiety, and make you happy every day. 4、Good Concentrating Performance: The high concentrating reflector can significantly improve the efficiency of the whole lamp, with superior concentrating performance. The luminous flux density value of the same distance is more than twice that of the same type of product. 5、Multi Purpose: It can be used in hospitals, beauty salons, sanatoriums and sports halls. It can be used in beauty, sports, convalescence, treatment and other places. It has powerful functions, which can help muscles ache, enhance energy, improve sports performance, help muscles develop and enhance strength. Item Type: Physiotherapy Light Material: Metal, ABS Lamp Board Size: Approx. 25.3 x 8.2 x 2.5cm  / 10.0 x 3.2 x 1.0in Weight: Approx. 1518g / 53.5oz Lamp Bead Wavelength: Red 660nm, IR 850nm Number of Beads: 90LED (60 x 660nm, 30 x 850nm) Operating Frequency: 50/60Hz Service Life: 50,00h Use Distance: Recommended 0-30cm / 0-11.8in 1 x Lamp Board 1 x Plug Wire 1 x Sling 1 x Triangular Bracket 1 x Gooseneck Bracket 1 x Spare Hook 1 x Description 1 x Hex Wrench 1 x Fixing Screw 1 x Screw Washer