Brand: LittleBits. MPN: 650-0044. The bright LED (or Light-Emitting Diode) is a small Bit that puts out a big light. Just like our other LED Bits its a great way to shed some light on your creations. Choose the bright LED when you want a LOT of bright white light. HOW IT WORKS The bright LED features a half watt super bright LED that responds to incoming voltages linearly. The more voltage it receives the brighter it gets.