Jeenode Zero is sold out. Hopefully there will be another bunch some time. - Thanks to Jean Claudes advices I bought some "blue pills", for less then 3 Euro each. And used them in places where 220V is available. Just because they are cheaper than Jeenode Zero. So I thought. But there is no difference in price, when the radio is taken into account. An blue pills are much more expensive now. One more advantage of the JZ, the small form factor. So please keep on going with JZ!