5 mm LED lamp assorted kit: contains 100 pieces 5mm red led light diodes, bright and attractive lights will decorate your room full of warm atmosphere | Head type: water drop shape round and clear heads; Forward voltage: R/ Y/ G/ O 1.8-2.0 V; B/ W/ WW/ E/ P 3.0-3.2 V; C 3.0-3.4 V; Max. Current: 20 mA | Application: not only can they be applied to industrial segment, but also use in some students' experiment, school science, little LEDs are good for doing projects | Good repair replacement: the mini diodes are convenient for DIY and repair equipment and electrical appliances, circuit unit; You can use these to make LED glow stick | Mini LED diodes with bright light: they are very bright and vibrant colors make them look beautiful at night; You can assemble different color LED diodes as you want