***The bubble light has to be connected to an oxygen pump to produce bubbles, the bubble light itself doesn't produce bubbles*** Please be noted that we stock our products in UK, and you will get your package in around 2-3 workdays, while there are some other sellers who claim to be UK stock too, but take more than a week (3-5 Days) to deliver, which are usually China stock in fact. Feature: 1. Higher Luminosity and longer life. 2. Energy conservation and environmental protection. 3. Safety low-voltage design. 4. Easy operation 5. Totally sealed design for underwater work. Specification: 1. Voltage: 100-240V/50-60Hz 2. Output: 12v= 1A DC 3. Working temprange: 5-40℃ 4. Indoor use only 5. Dual fixing suction 6. LED: 12PCS 7. 12 Multi-color LED Light 8. Diameter: 120mm 9. Item sha.