Specification Materials: ABS+ PC Input Voltage: DC 5V, 2A Color Temperature: 6000-6500K Measurements: 152×152×16mm (6 * 6* 0.67 in) Package Included 1* Therapy Lamp 1* Type-C- Cable 1* User Manual Features Ultra-Thin Design -Ultra-thin size & extra-large light surface, easy storage and carry, such as fits next to your laptop, on the kitchen counter and anywhere. Multi-function of Power Button Turn/off on the light, tap the power button. Adjust the brightness, long press the power button to adjust the brightness you want. 4 Timer Setting -Press the timer Button to set the timer for 15/30/45/60 minutes. -Touching the timer button until the LED Indicator go out to cancel the timer. Stepless Brightness Adjustment -Long press the power button to adjust brightness, custom levels of brightness (10%-25%-50%-75%-100%) for work, reading, study or relaxing, perfectly matching your daily use. 90 Rotation Stand This Light therapy desk lamp comes with a 90 degree foldable stand, adjust the opening angle to position the light as best needed. Quick User Guide 1) Place the light in a convenient location, connect the adapter. (Notice: Power adapter is not included, please use adapter above 2A) 2) Turn on: tap the power button to turn on/off the lamp. 3) 90° Adjust: Find a comfortable distance where you are facing the lamp, but not look directly into it. 4) Stepless brightness: Long press the power button to adjust the brightness. 5) Timer setting: Tap the timer button to switch the 15/30/45/60 minutes to you want. (We suggest using a low brightness level for a period 10 minute at first use.）