All five work OK. The only thing that bothers me is that not all of them have the same ESP8266 chip, and the soldering of this chip is not exactly perfect - but not bad either. Anyway for the price it is a very good product, and time will show its quality.

All five work OK. The only thing that bothers me is that not all of them have the same ESP8266 chip, and the soldering of this chip is not exactly perfect - but not bad either. Anyway for the price it is a very good product, and time will show its quality.

All five work OK. The only thing that bothers me is that not all of them have the same ESP8266 chip, and the soldering of this chip is not exactly perfect - but not bad either. Anyway for the price it is a very good product, and time will show its quality.

منتج جيد

good product

منتج جيد