Chanzon 100 pcs 3mm Red & Blue LED Diode Lights (Bicolor Common Cathode Diffused Round) Lighting Bulb Lamps Electronics Components Light Emitting Diodes Shipping Weight: 1oz / 0.03kg (Pack of 100) (Through Hole DIP 3 pin LEDs Set) 3 mm Frosted Foggy Round Small Lens (Viewing Angle: 120 degrees) Forward Voltage / Direct Current : DC 3 Volt 20 mA (Red Color is 2 Volt 20 mA) (Low Voltage for DIY PCB Circuit) Bi Colors Red and Blue Polarity : Anode (Shorter Part) | Cathode (Longer Part)