1.[Remote and Touch Control]This monitor light with a knob remote and touch switch on the lamp. Both of the brightness and color temperature of this screen light bar can be adjusted steplessly. You can adjust between cold and warm light reach the mode you want 2.[No Glare on Screen]Scientific optical design makes the light only illuminate the keyboard area and the reflected glare on the screen. Without blue light so it better protects eyesight and relieves eye fatigue 3.[USB Power Supply] The power supply of this monitor light can be done by inserting USB plug into the computer/mobile power supply/power adapter/other USB devices Operating Voltage: USB 5V Operating Current: 1.2A Operating Power: 6W ± 0.5W Lighting Color Temperature: 2700K-7500K/5 Dual Color Temperature Adjustment Product Weight: 300g Lamp Dimensions: 440*22mm Bracket Dimensions: 46*33mm Operating Temperature and Humidity: -10~45°C Color: As Shown Material: Metal Package Contents: 1*Light Bar Knob remote control Only 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.