<p><strong>Lens material :</strong> glass <br />
<br />
<strong>Lens size : </strong>5 &quot; <br />
<br />
<strong>Diopter : </strong>3 diopter /5 diopter/8 diopter <br />
<br />
<strong>Voltage : </strong>220V-240V 50Hz 22w<br />
<br />
<strong>Light source :&nbsp; </strong>22W fluorescent lamp <br />
<strong><br />
Standard mount : </strong>desktop clamp <br />
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<strong>Colour : </strong>white</p>
<p>&nbsp;</p>
<p><br />
<strong>Made in china / No brand</strong></p>