Milliard Solar Disc Shower Fits standard garden hose and works with your existing plumbing. 2,500 BTU/hour potential thermal capacity powered by free energy that requires no wires or electrical installation! Includes a directional shower head and on/off/mixer tap. Solar panel acts as as weighted shower base and can be used free-standing or mounted to any flat, solid surface. Stores 20 liters of preheated water.