<b>Specification</b> <br> Accuracy: 0.001g<br> Weighing Range:100g,200g,300g, 500g optional<br> Voltage: 110V<br> Unit Conversion: gram (g), carat (carat), ounce (ounces), pounds (lbs)<br> Applicable Temperature: 5-35oC<br> Precautions:<br> 1. It should be pre-heated according to regulations before use<br> 2.The tare and the mass of the weighing object shall not exceed the weighing range.<br> 3. If the weighing is not accurate, calibrate the balance with a standard weight.<br> 4.If you need to remove the round weighing pan on the balance, please rotate the weighing pan clockwise and then remove it.Do not pull the weighing pan hard to avoid damaging the sensor.<br><br> <b>Warranty</b> <br> All of our products has one year warranty and lifelong technical service. If any problem occurs during use, please do not hesitate to contact us. We will provide technical support asap.