In article , Doctor
D writes
I use them on CFL's. I actually remove the normal light switch. You can use
them as a normal switch by pressing the MODE button - on, off, auto, random.

What do have in its place - a blanking plate?

Mine take AAA batteries

Yeh, your right - just checked and so do mine. Been going over 12 months
now on one battery.
--
Phil Hughes