Features:Brand new and high qualityWhen with plug-in function,batteries will automatically shut offBelongs to desk-type/handheld dual purpose,easier and more convenient to use10 annularly-arranged high brightness LEDs which have soft bright and can alleviate visual fatigueMain lens: 2.5x90mm Auxiliary lens: 8x25mmService lifetime: 60000 hoursContinuous lighting time: 8 hours with 2 AA batteries(not included)External power: Input AC100-250V 50/60HZ Output DC4.8V 500mACharge: EU PlugReplacement of batteries:Battery compartment is on the bottom of this body.just open it to replace.Press the electrode the order into two AA batteries(not included)Package include:1X Magnifier with 10 LED Lights