AGPtek&reg; Pond Lights For Underwater Fountain/ Fish Pond/ Water Garden (2 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. The lights keep changing different color continuously including Red, blue, green, yellow, white and multiple colors.