Good but have no indication of polarity

Good but have no indication of polarity

Good but have no indication of polarity

Good But the polarity is not marked.

Good But the polarity is not marked.

Good But the polarity is not marked.

Thanks for the fast delivery

Thanks for the fast delivery

Thanks for the fast delivery

Thanks.

Thanks.

Thanks.

Entrega rápida, todo bien

Fast delivery, all good

Entrega rápida, todo bien

packaged well. looks quality but have not used yet. only complaint is pcb isn’t labeled for input polarity. hopefully the pictures are accurate!

packaged well. looks quality but have not used yet. only complaint is pcb isn’t labeled for input polarity. hopefully the pictures are accurate!

packaged well. looks quality but have not used yet. only complaint is pcb isn’t labeled for input polarity. hopefully the pictures are accurate!

it is freaking amazing that this tiny thing does its job. I am very impressed!

it is freaking amazing that this tiny thing does its job. I am very impressed!

it is freaking amazing that this tiny thing does its job. I am very impressed!

Very good module and seems high quality. Over 1.5 amp it does get very hot and heat-sinking does help.

Very good module and seems high quality. Over 1.5 amp it does get very hot and heat-sinking does help.

Very good module and seems high quality. Over 1.5 amp it does get very hot and heat-sinking does help.

With 8 ~12 Vin & 5.02 V output @ 1.64 A load, efficiencies are 89.9 to 91.8%. Pretty good.

With 8 ~12 Vin & 5.02 V output @ 1.64 A load, efficiencies are 89.9 to 91.8%. Pretty good.

With 8 ~12 Vin & 5.02 V output @ 1.64 A load, efficiencies are 89.9 to 91.8%. Pretty good.

very good price, fast delivery. still have not tested them but they came well packaged and everything seems ok

very good price, fast delivery. still have not tested them but they came well packaged and everything seems ok

very good price, fast delivery. still have not tested them but they came well packaged and everything seems ok