In original packaging item, may require some assembly. See link for more details:

Note: Cannot be tested in warehouse due to water requirements. 7 days to return if it does not function. MIssing the small white adjuster plate. 

https://www.walmart.com/ip/Non-Electric-Bidet-Attachment-For-Toilet-One-Key-Clean-Convenient-Dual-Nozzle-Easy-Upgrade/17350024447