In SLR, what light source should be set for indoor led lights?

Single-lens reflex camera can set the white balance according to the common color temperature and feeling when LED lamp is used as lighting source indoors.

Except that LED is obviously a color lighting lamp, the basic color temperature standard is as follows:

Although the color temperature will be different, it is roughly three. In the actual environment, the photographer can choose the white balance of the camera according to the visual judgment of the light source category.

Cold white can correspond to shadows or cloudy days, neutral white can correspond to fluorescent tubes, and warm white can correspond to incandescent lamps.

If you need more precision, you can customize the white balance with white walls or white paper.