COB LED to be integrated in a lighting system. Only the COB LED mounted on a metal plate is provided. Works with 32-36 VDC. Have negative/positive at the terminal ends, and fixing holes of the metal plate. LEDs for assemblies DIY (Do It Yourself). COB LEDs generate much heat type, and need to be installed in contact with a heat dissipating surface. The grids or radiators alumain can be a good cooling solution. The result of connecting a COB LED without an adequate cooling is that it burns or melts the COB LED, in seconds.