Economical due to low power consumption as power requirement is only 5W, service life of LED approx. 50,000 hours.Product PropertiesAspheric PXM® lightweight lens, cera-tec® coated for a distortion-free [...] light source P(on)4.4 WColour temperature9000 K Operating unit (magnifying glasses) Magnification2,5 x *Dioptre6 dptMaterialsmanual_vario LED flex.pdf2.7 MBAccessories Accessories Art. Nr. 27819 varioLED