- Belongs to desk-type/handheld dual purpose， easier and more convenient to use. - 10 annularly-arranged high brightness LEDs which have soft bright and can alleviate visual fatigue. - When with plug-in function， batteries will automatically shut off. - A portable tool for your work， also a good choice for a nice and usful gift - Application range: Offices， medicine， military affairs， reading， home furnishing， outdoor map operation， archaeology， mineral prospecting， antiques appreciation. Package included :  - 1 x Magnifier Lamp with 10 LED Lights - 1 x Power Adapter Replacement of batteries : Battery compartment is on the bottom of this body. just open it and very easy to replace.