In this case, the term “CCT tunable” likely refers to the ability to adjust the Correlated Color Temperature (CCT) of the lighting. CCT is a specification that describes the color appearance of a light source. It’s measured in Kelvins (K). Lower CCT values, such as around 2700K, tend to have a warm, yellowish color similar to incandescent lighting. Higher CCT values, such as around 5000K, have a cooler, bluish color similar to daylight.
A “CCT tunable” bollard would allow you to adjust the color temperature of the light it emits, providing flexibility to match the desired ambiance or functional requirements of a particular space.
If you’re looking for more specific information about this product or where to find it, I would recommend reaching out to the manufacturer or a retailer that specializes in lighting and outdoor fixtures.