Various complex places,Six color temperatures for comparison Professional color display for different objects.Convenient and fast,Select different color temperatures by pressing buttons.Professional grade lighting,Color temperature stick to mark professional lighting colors.-C charging port,Charge and use anytime, anywhere, no need to find a power socket, more convenient and faster.Product name:Light source typePortable color temperature stick:COB light sourceProduct power:3wx6 groupCharging time:Always on for 1 hour2700k-6000kThe product appearance and printed words depending on the batch, but this does not affect use.Colour:BlackMaterial:PCPackage Contents:1 x Portable Color Temperature StickOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.