Has anyone had a play with these - . Lots of people seems to be selling them, plenty on eBay as well. There seem to be variations in casing (), so maybe more than one mfg? Other bits too, see & . Frequency is 433.92MHz, as expected, and can switch either 1000W @ 240V (4A) or 10A, depending on whose advert you read. I'd assume these are available world-wide. I was contemplating remote controlling a few things, but with the price of these, should I bother making something? These prices are less than the bare RF modules... Well, I might bother making one for a fan (to control speed), but I could hack one of these to make the speed control a off-low-med-high-off sequence, rather than on/off & up/down. Tony -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist