5x Blue Led Lamp Light Bulb Beads 10~20Lm 1W High Power by A1store Forward Voltage: 3.0V~3.2V ,Output power: 1W Luminous flux: 10~20Lm Light Color:Blue,Color temperature: 460-470K Beam angle: 120~140 , Environmental temperature:-30C ~ +45C Life time: 50,000 hours , Material: Aluminum Alloy+PC