Light up your pool or spa with the Lotus Flower Auto Sensor Pool lights. These unique LED lights feature a built-in light sensor which automatically turns light on at dusk and off at dawn! Brighten up your home, pool, spa, garden, or bathtub with a warm bouquet of glowing colors. Displays three light programs - red, yellow, or orange. Runs on two AA batteries (included). Each Light is 5.5-inches in diameter x 3.5-inches high. There are 3 lights per pack. Enjoy over 120 hours of continual use. Add ambiance anywhere with the Lotus Flower Pool Lights!