TOPCHANCES High Precision UV Strength Tester UV Meter Photometer UV Detector Handheld LCD Light 1000U W/CM2 Widely Used in School Family UV Strength Tester
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<b>[Product Information]</b><br>
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<li>Units of measurement:1000U W/CM2 = 1MW/CM2</li>
<li>Power supply: Ordinary battery</li>
<li>UV index meaturement from 0-20(0.5 increment) UVA and UVB</li>
<li>Operates with 2pcs.alkaline type button cell(1.5VX2)LR44, AG13 tec</li>
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