Wavelength classification: 3W ice blue light 480nm LED Bulb. High Power lamp LED 3W Ice blue 480nm 700mA 3.2-3.6V light-emitting diod. B lamp beads fixed, four corners to the four screws, not less, to tighten, do not move so far, it is best to use an A4 paper to see if it can plug into the lamp beads and heat sink, Row.
