AGPtek&reg; Pond Lights For Underwater Fountain/ Fish Pond/ Water Garden (3 Led Kits) Low Voltage transformer. Swivel unit so can be angled to suit your needs. Can be used in the garden, around the pond, submerged underwater or out of water. Saving you up to 80% in energy use compared to other pond lighting. These lights could create the effect of different atmosphere by replacing different color covers, make you pond or fountain into a colorful world (Blue,Red,Yellow,Green)