Hello you are purchasing 1 open box COAST ST-15 pool heater. The power has not been connected to this unit and you can see from the back of the panel the holes for connecting power were never pushed open.Please review all pictures explaining what must be done to connect power to this heater. It needs to be installed by someone with good knowledge of electrical wiring codes. This unit does not come with an cord attached that can just be plugged into a wall. This unit comes like all the others with out a plug wired to the unit. They all come this way from the manufacturing company. Let me know if you have any questions and I'll do my best to answer them. This unit is 100% guaranteed. (Match with the power supply system in the US & Canada). Dimension: 450 x 355 x 105 MM. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Spas & Hot Tubs". The seller is "stan_vp" and is located in this country: US. This item can be shipped to United States.