Does it come with everything needed for installing? Do I need to go to a hardware store or call a plumber to install it?

Hi, thank you for reaching out. Yes, all parts needed for installing the bidet seat are included in the package. You can watch the installation video we have on the product page. You will see it when you scroll the top images to the right. It shows the installation process and all the parts and accessories the bidet comes with.

How long is the power cord and which side is it on?

Hi, thank you for reaching out. The power cord is 47.24 inches long, and it is located on your right side when you are sitting on the bidet. You can learn more specifications of the bidet on the owner's manual, which can be found under the "Feature" section on the product page.

Can I return it if it does not fit my toilet? What are your return policy and your warranty?

Hi, thank you for reaching out. You can read our warranty terms here: https://www.mordeer.com/pages/warranty and return policy here: https://www.mordeer.com/pages/return-policy
Although we will accept unused bidet seat return if it does not fit, we will not be covering for the return shipping. Therefore, it is recommended to take measurements of your toilet to make sure that it is elongated. You can see what is an elongated toilet on our product page, under the feature section.