LED Malibu Plant Lights Set of (3) Light up your potted plants just like the ones in the gardens of the stars. Our each is a set of (3) small LED Malibu lights, 1-13/16" dia x 2-1/2" long on a 3" stake. Stick (3) "AAA" batteries (not included) in each unit and a teensy photocell will turn them on when the room gets dark, saving you another onerous chore.