Color : black Illuminance(Lux) : 1260 at 35 cm Luminous flux (Lm) : 190 Luminous Efficiency (Lm/W) : 63 Efficiency Class : F Brightness Adjustable : No Color temperature in K : 4000 Colour Rendering (CRI) : 80 Lifetime in hours (h) : 20000 Replaceable light source : LED Not Replacable Bulb Included : No Asymetrical lighting : No Eye caring : No Circadian cycle : Application not available USB charger : No Induction charger : No Light sensor : No Movement detector : No Timer : No Power battery (mAh) : 0 Autonomy (h) : 0 Mounting : Without tool