The Worlds first shower radio powered by the pressure of the water alone. Never needs batteries, costs nothing to run. Great sound, with digital scan tuning FM reception. Push button volume control. Auto memory for last station listened to. Auto memory for last volume set. Automatically starts when the shower is turned on. Simple to fit in less than 30 seconds. No tools required. Fits any shower in any country. Patented worldwide. 5 year guarantee.