Take a big step towards a brighter， happier and healthier animal habitat with the Betta Dome Reptile Lamp Fixture from Zoo Med! Featuring a sleek， durable design that helps it stand the test of time， this fixture is intended for use in smaller aquariums or tanks containing 10 gallons or less. It’s constructed for maximum output of 40 watts of power and is an excellent addition to shrimp， betta and small fish tanks.