@David-TP Thanks for the answer... I found it, but seems the feature are less flexible than parental control in Deco M5? for example in Deco M5 we can set different bed time for weekdays and weekend,...

X20 Firmware: 1.0.0 Build 20220110 Rel. 60118 M5 Firmware: 1.3.14 Build 20191220 Rel. 39776 I just bought Deco X20, join it to existing Deco M5 and then make the Deco X20 as Master Deco without any...

@TP-Link_Deco If not able to select channel manually, at least we can manually configure the range of allowed channel. I just got deco M5 installed successfully but it sit on channel 11 of 2.4GHz...