What type of therapy lamp is best?

The best SAD lamp provides:
  • high intensity;
  • uv-free, full-spectrum, CRI>95 LED;
  • focused light to make the best use of the available light;
  • long life;
  • more functions, such as wake-up with sunrise, sleep light with sunset, alarm, right music,
  • rechargeable, portable
  • adjustable brightness and color temperatures