<p><strong>Features:</strong></p><p>Easy operation.</p><p>LED light and audio result indication.</p><p>The red light will be showed and the audio indicator will ring if the stone is real diamond.</p><p>Simple calibration for stones of various sizes.</p><p>Accurate and reliable reading.</p><p>Matched with a testing platform for loose stones</p><p>Light weight, matched with a convenient carrying case.</p><p>Detailed user manual is included in the package.</p><p><strong>Maintenance and repair:</strong></p><p>1, the instrument is very sensitive to the probe, must be particularly careful to protect, do not use should be set on the sheath</p><p>2, the preparation of the indicator light is very dark, shows the battery will run out, should be timely replacement battery.</p><p>3, the instrument is not used for a long time, please take out the battery.</p><p>4, in order to detect accurately, the proposed correction once a year.</p><p><strong>Specifications:</strong></p><p>Color: Black</p><p>Material:ABS</p><p>Power supply: 1* DC 9V <span style="color:rgb(244, 78, 59)">Battery (not include)</span></p><p>ltem size:14*4*2cm(6.6*1.6*0.8in)</p><p><strong>Package Included:</strong></p><p>1 * Diamond Selector l</p><p>1 * Testing Platform</p><p>1 * Carrying Case</p><p>1 * User Manual</p><p></p><p><br/><br/><br/><br/></p><p><br/></p>