How much does this cost to the nearest dollar?

Cascada Luxury Bathroom Shower Set with Luxury Water Power LED Shower Head (Ceiling Mount) Rainfall Thermostatic 6 Massage Jets Spray Body Shower Set (10, Chrome)
Turn on the fun in your shower just by turning on the water, the LED lights will automatically light up and set the mood. They will even change colors automatically based on the water temperature. All this with no batteries, everything is self-powered by a built in dynamo that takes advantage of the water pressure to create the energy to light the bulbs. Auto Temperature Detected Light Color Change! The shower head will automatically change colors according to the temperature of the water. So you always know how the water will feel on your skin just by looking at it. >When water temperature is ≤90F, Green color will show

Price is $660.00
Price: $659.95