10 Brightness Levels X 3 Color Modesour LED desk lamp has 3 optional color temperatures: warm light (3000K), warm white light (4500K), and white light (6000K) . Each light mode has 10 brightness levels, 30 light modes in total. Our LED desk lamp is ideal for any occasion: office, architect, study, drawing, knitting, sewing, crafts, tasks, workbench, etc. 10 Brightness Levels X 3 Color Modesour LED desk lamp has 3 optional color temperatures: warm light (3000K), warm white light (4500K), and white light (6000K) . Each light mode has 10 brightness levels, 30 light modes in total. Our LED desk lamp is ideal for any occasion: office, architect, study, drawing, knitting, sewing, crafts, tasks, workbench, etc. ADJUSTABLE METAL CLAMP & LONG SWING ARM: The strong metal clamp can support a table top up to 6.0cm and holds the architect desk lamp securely in place. the swing arm desk lamp adopts three-axis design, you can freely adjust the angle, position, direction of the light, according to your personal needs. USB power supply and memory functionThe package includes a 5V/2A adapter. Our LED desk lamp can be easily plugged into any available USB port (laptop/desktop/power bank/USB adapter) to power the lamp. Thanks to the memory function, the next time you turn on the LED table lamp, it will automatically recall the last set brightness / color mode. Package Content1X Desk Lamp, 1X 6.0cm Metal Clip, 1 X 5V/2A Adapter, 1 X User Manual.