... with it. Mainly used in ENT examination, gynecological surgery. AC/DC power supply, apply different voltages. FeaturePortable cold ligth source,easy ... Desktop standing charger,convenient to work,charge in time.SpecificationPower Type: DC Power: 5 W Life of Bulb: 50000 h Lumen: 260 ... lum DC Supply Time: 4 h Charge Time: 4 h Net Weight ...