Description:This is a modifiedLED light based on original ones for cylindrical water tank. There are five light colors that you can choose as you need, and will be great for computer water cooling system.Features:Long quartz light provides constant light for water tank, great for pillar water tanks.Red, green and multi-color LED lights are suitable for water tank of distilled water type cooling liquid.UV purple LED light is suitable for cooling liquid with UV effect, which can also be used for counterfeit money inspection.The extended light head will allow 180 degree light source entering water tank and provide continuous light.The effect is obviously improved comparing to common light, especially suitable for cylindricalwater tank.Specifications:Light Color: Blue, Green, Rose Red, UV Purple, Multi-color (Optional)Material: QuartzVoltage: 12VThread: G1/4Connector Type: 4P universal connectorWire Length: About 50cm/19.7inWeight: 13g(approx.)Package Includes:1 x LED Light Note:1. Please allow small size error due to 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.3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering..