Features: Features 6000k color temperature of natural sunlight. Color rendering is Ra92 to emulate a bright sunny day. Blue light is the most efficient kind of energizing light. The brightness of lamp can be adjusted according to your own needs. Five levels of brightness for adjustable, enables you to adjust to your requirements. 15/30/45min and 1h timer setting. Simply place at arm\'s length and adjust the stand so that the light reaches your eyes. Compact size with foldable bracket makes the lamp easy to store and carry. Suitable for people who stay indoors for a long times and lack of sunshine in autumn and winter.