This product comes with a suitable power supply. Note that there are 3 non - functioning green cells.

Using this ADJ Mega Bar RGBA LED fixture is easy. First, connect it to the correct power supply that comes with it. Just plug it in and you're ready to use it. When using, make sure the area around the fixture is well - ventilated to prevent overheating. As for maintenance, keep it clean by gently wiping it with a dry cloth. If you notice any other issues besides the 3 green cells that are out, it's best to contact customer service. Also, always handle the fixture with care to avoid any physical damage.