1Made of plastic, safe and nontoxic, odorless and useful. 2It is waterproof, easy to use the fish tank lamp. 3You can change the color of the lamp by the remote control and your hand, easy to use the fish tank lamp; the color and brightness also are adjustable. 4Reusable and durable: the fish tank lamp can be used repeatedly and durable for long time use. 5Modulator tube is antiexplosion, heatresistant, thickened, and hardened, convenient to use.