Emission diode - TOOGOO(R)10 pcs 5mm LED Emission of light Diode With 7 Color Bright spark 7-color LED light quickly Emission Time Range: 0.2 - 0.8sec Operating voltage: 3V DC Pin Length: Approx. 1.1 cm (length), 1 inch (short) Diameter of the head: approx. 5mm