"Toby" wrote in message
...
Kalico wrote:
Anyone know? The ones I am looking at are ScrewFix
http://tinyurl.com/xwxf

May be worth spending the extra £2 each and getting the ones that also
have
9 volt batteries included. The SF ones seem to work OK and are easy to
wire
with some 3+E for the L N and signal.

--
Toby.
Thanks for that Toby. It is interesting that there is hardly any difference
on price for single units but when buying 3 the difference is much bigger.