Dimming function: 5 levelsColour temperature: 5 levelsColour temperature adjustment range: 5 levelsLED technology: 48 x SMD 2835 0.2 WColour temperature (CCT) adjustment range: 3000-6500 KPower in lumens: 250 lmCentralised luminous flux: 800 lux at 30 cm (distance from light source)Colour rendering index: >80Energy efficiency class: FPower supply: USB (5V/1A)Can be powered by computer, powerbank or USB power adapterPower consumption: 5 WMounting: clamp attachmentMaterial: ABS plastic, aluminium alloyProtection class: IP20Lamp type: For monitor