A couple of years ago I bought these ones at Amazon
Certainly ‘el cheapo’ but work well with three settings each for white and red (high/low/blink). I modded two of them with strong Velcro and attach them to the back of my iPad cradle as a sort of permanent light (red) illuminating the pilot side panel. I sometimes also use a third one angled down as a sort of map light, but rarely need that as I have all the charts and plates on the iPad(s) anyway. Always wear the headlamp at night from the outset, you really don’t want to fumble with that if you find you need it.
