Aobi 50W Watt Blue LED Lamp light High Power bulb Chip DIY Intensity Luminous: 910LM, DC Power Input:30-33V degree :120 degree, Size :45.7mm X39.7mm X 4.3mm Long service life. Low consumption, high brightness. Comfortable light source, harmless for skin and eyes. Great for making light sources for fish tank, decoration light, floodlight etc.