Dimensions:Height (cm): 40cmWidth (cm): 6.5 cmLamp thread: Built-in LEDSource of light:Power (W): 7WLighting power (lm): 360lmLight color (K): 4000KShelf life (h): 20,000 hoursLED lamp: YESNumber of light sources: 1Lamp included: YESPower supply: 230VMaterial: MetalBrightness reduction with touch switch, ability to charge the phone via USB port.Height / length adjustment: NOMoving light source: YESProtection class: IP20Energy class: BPhone charging: USB