Night Flying LED's

Iv seen question about night flying led's which one to use or what color's to use, I my self Run the Flytron strobens Like the Real aircraft have Check out there Website FLYTRON.COM go to the LED's.Check out my Blog n5wyn youll see on my Helis and my Hexa copter this is what i use there not cheap but worth the money If your doing scale like me.