I've got a few of those silver external lights that shine both up and down - similar to one of these:
https://www.google.co.uk/search?q=e...hfvPAhWjCcAKHbLcAaUQ_AUICSgC&biw=1280&bih=934
What is the best height to install this at?
https://www.google.co.uk/search?q=e...hfvPAhWjCcAKHbLcAaUQ_AUICSgC&biw=1280&bih=934
What is the best height to install this at?