1、Made of plastic, safe and non‑toxic, odorless and useful. 2、It is waterproof, easy to use the fish tank lamp. 3、You 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. 4、Reusable and durable: the fish tank lamp can be used repeatedly and durable for long time use. 5、Modulator tube is anti‑explosion, heat‑resistant, thickened, and hardened, convenient to use. The fish tank lamp is made of plastic+ zinc alloy, and it is safe and non-toxic. The fish tank lamp is anti-explosion, heat-resistant, thickened and hardened. It can be used repeatedly and durable for long time use. Features: Made of plastic, safe and non-toxic, odorless and useful. It is waterproof, easy to use the fish tank lamp. You 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 are adjustable. Reusable and durable: the fish tank lamp can be used repeatedly and durable for long time use. Modulator tube is anti-explosion, heat-resistant, thickened, and hardened, convenient to use. Specifications: Condition: 100% Brand New Material: Plastic+ Zinc Alloy Waterproof: IP68 Color: Black Weight: Approx. 205~286g/ 7.23~ 10.08oz Battery: CR2025 Style Power(W) Length Light Number MF-9U 2 18 cm/7.08in 9 MF-15U 3 28cm/11.02in 15 MF-21U 4 38cm/14.96in 21 MF-27U 5.5 48cm/18.89in 27 Package List: 1* Modulator Tube 1* Adaptor 1* User Manual 1* Remote Control Notes: 1. Please allow 0-2cm error due to the manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.