TotalPond Fountain and Landscape LED Light The Fountain and Landscape LED Light can be used in and out of the water to illuminate water features and landscapes. Includes 1 energy-efficient LED light, an automatic dusk-to-dawn sensor, a 12V transformer, and easy-to-change color lenses (red, green, yellow, and blue). The 1W, waterproof LED light stays cool while its sits on a weighted base. Automatic dusk-to-dawn sensor shuts off the light during the daytime and turns it back on at night. Periodically, your light may require cleaning with warm water and biodegradable soap for optimal performance.