Does it have auto open/close lid function? How to turn on/off the automatic cover flip feature?

Yes it dose. It comes with a radar sensor, and the toilet lid will automatically open when the user approaches the radar detection area. Please refer to the Advanced Function from the Installation Guide link under Specification to know more about the feature setting.

Does this toilet have an automatic lid opening function?

Please refer to the Advanced Function from the Installation Guide link under Specification to know more about the feature setting.

How to turn on/off the automatic flushing function when leaving the seat?

The automatic flushing function is turned on by default. If you need to adjust the settings in special circumstances, please contact customer service

How to flush during a power outage?

Tankless smart toilets are equipped with an emergency battery box that supports flushing during a power outage by pressing a button on the side of the toilet.

How do you flush the toilet with the power off?

It comes with a backup battery inside the toilet lid.

Is this model a Comfort height?

Yes, it is. The seat height is around 16.5 inches.

Is this comfort height? Measurement of seat height?

Yes, it is. The seat height is around 16.5 inches.

How do I know if this model is the Upgrade not the Standard? There is no button to choose Upgrade or Standard when trying to place this order.

The one is automatic one, not the standard.

What can you use to clean the toilet?

Please check page 23 for the maintenance. Please check the link. https://img5.su-cdn.com/mall/file/2023/12/11/360905f6387441eaac236200732de52f.pdf

What Brand is this? How do I get operating manual to program the toilet?

The brand is Homary.Pls click the link to check the installation guide for the toilet:https://img5.su-cdn.com/mall/file/2023/12/11/360905f6387441eaac236200732de52f.pdf