China DC/DC modules with indicators (Need help)

[001]

Hi
I mean what some similar treads must issued here. But I can`t find one 
I`m looking for info

What  type is good and what is bad?

[ledtester]

Do you have an ebay/amazon/aliexpress link for the first one?

The second one is made by Ruideng, has been around for a while, has numerous reviews and generally meets its specifications. You can view their full product line here:

https://rdtech.aliexpress.com/store/923042

I mean what some similar treads must issued here.

Are you looking for reviews?

[001]

Do you have an ebay/amazon/aliexpress link for the first one?

The second one is made by Ruideng, has been around for a while, has numerous reviews and generally meets its specifications. You can view their full product line here:

https://rdtech.aliexpress.com/store/923042

I mean what some similar treads must issued here.

Are you looking for reviews?

Thanx a lot! I can`t find right name to google it 

[ebclr]

1st one a cheap trash

2nd one Works well, not perfect but acceptable