TheraD-Lite has all the special invisible frequencies in the celebrated Tri-Lite system and much more. TheraD-lite has a specialized UltraViolet (UV) Light Emitting Diode (LED) that enhances the absorption of Vitamin D3 both naturally or if you supplement with D3.
**THE PAD ARRIVES IN A SOFT THERASAGE COVER. THE PAD SHOULD ALWAYS BE KEPT IN THIS COVER WHEN USING THE BLUE-UV FREQUENCIES FOR D**