Chanzon 100 pcs 3mm 940nm IR Emitter LED Diode Lights (Clear Round Infrared 940 nm DC 1.2V 30mA 100mW) Lighting Bulb Lamps Electronics Components Light Emitting Diodes Shipping Weight: 0.8oz / 0.023kg (Pack of 100) (Through Hole DIP 2pins LEDs Set) 3 mm Clear Transparent Round Small Lens (Emitting Angle: 30 degrees) Forward Voltage / Direct Current : DC 1.2 Volt 20 mA (Low Voltage for DIY PCB Circuit) Infrared Ray 940nm (Invisible Light) Polarity (1.2 V) : Anode (Longer Part) | Cathode (Shorter Part)