TotalPond LED Light Set, Mini, Set of 6 The 6 Mini LED Lights will decorate and illuminate your pond and landscape. The long-lasting, energy-efficient 3W mini lights come with an automatic dusk-to-dawn sensor and a 12V UL-listed transformer. These waterproof lights can be used in and out of the water. Cord length from transformer to first light: 12 ft. Cord length between lights: 4 ft.