LED Lamp: Model: LUB50333 Type: Illumination diode Size and shape: 5mm round Lighting source power: 0.1W Voltage:3.1-3.8V Color: blue Forword current: 20mA Wavelength:470nm Luminous intensity: 3500-6500mcd Viewing angle: 20deg Lightingsource type: Cold light source Features: Energy conservation, environmental protection, high efficiency, uses widely. Use:Each kind of illumination character, illumination strip, back light source, holiday decortive lighting and so on