LOW-VOLTAGE DESIGNEquipped with a USB interface, it is widely used and convenient for power supply (the package does not include an adapter). It is safe to use and will not harm pets in the water and harmless to humans. SMALL AND EXQUISITEThe aquarium light can be installed in the aquarium for lighting and decorative purposes. As long as the light is adjusted to different angles to illuminate the aquaculture in the water, it will create a splendid scenery. It is a good decoration for festivals and families. IP68 WATERPROOFCan be used normally in swimming pools, fish tanks, fountains, aquariums, bathtubs, etc. PREFERRED MATERIALMade of high-gloss transparent PS shell, the fish tank light is wear-resistant, anti-drop, and anti-corrosion. EASY INSTALLATIONWith suction cup installation, the position can be adjusted arbitrarily, which is convenient and quick. Specification: Name: Fish Tank Diving Light Material: plastic Power: 1W Luminous color: white / color (colorful with remote control) Power supply mode: USB plug-in (without adapter) Voltage: 5V DC Waterproof rating: IP68 Diameter: about 38mm/1.50in Weight: about 118g Packing List: Lamp*1 Remote Control *1 (Optional, Only with Colored Lights)