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.