Dahua Turret best buy

[AlbertoIt]

Hey guys, I wanted to ask which is currently the best Dahua turret camera to buy. I know that until recently the HDW-5442-ASE was considered the best, is there a newer model that has replaced it?

 

[Chokolinho]

5442T-ZE-S3 , 54ir-ZE

 

[AlbertoIt]

5442T-ZE-S3 , 54ir-ZE

these have varifocal lens, haven't they?
and what about models with fixed lens?
thank you