Lumo-miser.
This is a very cool little 3.7v LED torch mod on a 510 fitting.Here you can see it on my trusty Riva.Perfect for festivals, power cuts, breakdowns and all those other times you don't have a torch but you always have your PV kit handy.
You would not believe how bright this little gem is!
Only £6 inc 1st class P+P (UK). For other locations please get in touch.