A:Answer Hi James, Yes it does have a water reservoir tank. It has to be plugged into a regular voltage grounded GFCI outlet. (North America 120V ac, 60Hz) The rated power consumption is 660 W/600~700W. in locations were only a standard two prong outlet is available it is the responsibility of the user to install a grounded 3 prong outlet. If you have additional questions, please reach out to our Customer Service Team directly as they will be able to assist further. They can be reached M-F 9am-5pm CST at 847-458-2334 or toll free 877-339-5214.
Thank you,
Bio Bidet