Hi everyone. I've got a Dahua setup in my dad's house with 6mp hdw4631c. Been thinking about getting the same setup in my house but I've seen some 4k Dahua cameras for a similar price on Amazon. I don't understand how the 4k ones are the same price as the 6mp or am I missing something? Which ones would I be best going for outdoor use. I have also tried the Dahua 10 times zoom but it had to much IR lights on it which attracted to much spiders