On 10/21/2018 at 2:11 PM, KittenKong said:

So maybe some other board member has seen these items for a more sensible price. Hence my question.

Is 38 Baht cheap enough?

 

the better quality Haco covers are 280 for a double and 156 for a single. I didn't go into HomePro to check the good quality surface mount box

Any old box with a flap doesn't guarantee a safe solution for outdoor use. You need to look at the ip rating. Some feel ip44 is suitable, others feel only much higher ratings are suitable like ip55 or even higher. If there is no ip rating do not use it outdoors because it is unlikely to perform the function you are looking for.