Sheila wrote:

My mum wants some light at the far end of her garden to assist her when she
walks her dogs of an evening. Doesn't have to be a lot of light, just a
glim to see the dogs by.

I saw (what I assumed to be solar powered) LED cat's eyes the other day
on the A47, they were still going strong in the small hours ... don't
suppose they're cheap though, and the dogs might chase them ;-)