Check the listing for details. 150Pcs 2x5x7mm Light Diode Rectangular Bright Clear LED Lamp Bulb Blue. Condition: New. Listed at 11.89 USD. The LED bulb is two pins, light is only one color, can be used for DIY, lighting decoration, signal indicator, bulb replacement.SpecificationLED Color: ClearLight Color: BlueMaterial: Metal, PlasticVoltage: 3-3.2VDCCurrent: 20mA LED Size: 2*5*7mm / 0.07*0.19*0.27 inch (Thickness*Width*Length)Pin Length: 17mm / 0.67"Packing List: 150 x LED BulbsAdvantageMade of high-temperature resistant material. The package contains a large number of bulbs that can be used at will, the bulbs are tiny but bright light, with low power consumption.InstructionThe long pin of the LED is connected to the positive pole of the power supply, and the short pin is connected to the negative pole. Use the corresponding suitable DC voltage and current. If you have a higher voltage power supply, add a voltage limiting resistor(not included).