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 all occasions: 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 all occasions: 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 function the 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 Contents1X desk lamp, 1 X 6.0cm metal clamp, 1 X 5V/2A adapter, 1 X user manual.