We were not familiar with bidet until my wife used it in friend's house. After hours of on-line study, we decided to give this highly recommended BB-2000 a try. We ordered it from a different site since it was running a promotion. The bidet arrived in a well packed box with all parts needed for installation. It took me 40 minutes (15 minutes to figure out the proper electrical wiring in my out dated bathroom) to install it. Adjust the nozzle position and water temperature. We got ourselves a modern toilet! Since the installation a week ago, it has been working flawlessly. I also like the extra night light feature. I can use the mater suite toilet at night without turning on the bathroom light now. (I was used to go to other toilet at night to prevent disturbing my wife.) The material and manufacturing quality seems very good. I am a satisfied user now, and I think it should have good durability. (Time will tell.)