ZemiSmart Zigbee 3.0 Light Switch DIY Breaker Module

Has anyone tried these? It seems to be a good replacement for the Aqara, Sonoff Mini, Shelly in wall modules.

@Judy_Chan, can you give us some information how is it working in 1 way or 2 way, and what is the difference between the 1 gang and 2 gang devices? There is not so much information on the website.