TB-30SA 33cm Timing Dimming Display Asymmetric Working Eye Care LED Desk Lamp Laptop Screen Hanging Light 1. Rated voltage: 5V 2. Rated power: 5W 3. Color rendering index: 85+ 4. Material: ABS+PC 5. Luminous flux: 249LM 6. Color temperature: 300040006500K (three-color adjustable) 7. Applicable monitors: length of 40cm or less, thickness of about 2.2cm or less, tilt less than 10 degrees 8. Size: about 33 x 3cm 9. Description: only the lamp, does not include other items in the picture Features: 1. Adopt asymmetric light source design, directional illumination of the desktop range, not irradiate the screen without glare, more eye-care 2. Suspended, no base, save desktop space 3. No video flash, reduce eye injury 4. White light, yellow light, warm white light three color temperature modes, to meet the needs of different scenes and different moods 5. Infinitely adjustable brightness 6. No auxiliary tools, easily fixed on the screen, the lamp body can be 45 degrees to adjust the angle of illumination at will 7. Back Type-C interface, can use computer, charging head, charging treasure power supply