get a car spot light,,that works,, then a bit of grey waste pipe off sink to out side,,,,a switch off old hairdryer and wire two core,,,,then a black plant pot that fits round spot light,,,,and some insulating tape,,a 12 volt 9ah battry from an alarm fitter as they buy in bulk,, take bulb out of spot light,,, then break glass on spot light carefully,,remove all glass from spot light,,,,now put bulb back in,,,there should be a clamp on spot with a bolt through,,,drill hole in plastic pipe to fit bolt,,fix pipe to spot,,,cut pipe to fit switch little rectangle,,wire switch through middle of pipe