The HG500 is a half body red light therapy device that delivers targeted 660nm and 850nm wavelengths, making it a great addition to your daily wellness routine. HG500 features a high irradiance of well over 90mW/cm2 through 100 5W LEDs, providing effective light sessions in less than 10 minutes. Half body red light therapy panel Red and NIR wavelengths of 660nm & 850nm High irradiance of >100mW/cm2 at surface and 94mW/cm2 at 6" Red & near infrared power switches for customized sessions 100 individual 5W LEDs 60 degree beam angle Heat dissipating fans 50,000+ hr lifespan Used only a few times