Bedside Lamp D2 not discoverable by Alexa

Just got 2 bedside lamp D2

Both connected to yeelight app ok
Connected to mi home app ok
Home kit set up ok
Firmware updated to 2.1.7_0033 ok
Singapore server for yeelight
New Zealand region for mi home

But for some reason Alexa can not discover these 2 new lights.

I have other yeelight light strips works on Alexa
All other mi home skill devices works with Alexa
All other yeelight skill devices works with Alexa

I have disable and reconnect both mi home and Alexa skills no luck. Still not finding the bedside lamp D2 in Alexa app.

Help please! 谢谢!