Powered by 3*LR44 battery (included) and be replaceable. Cute mini LED Eiffel tower night light, ON/OFF , easy push button control. Energy saving, low power consumption, seven colors change by turns automatically. Fantastic desklamp Cake Topper or Table Décor, special for kids,adults,families and friends. Used in bedroom, home, bars, cafes, restaurants, wedding, party and other romantic places, adding much more joy for your life.