20g x 0.001g LCD Digital Jewelry Pocket Scale with Temp Measure It is an ideal product for jeweler and laboratory, can weigh the minimal things of the same class like jewelry, chemical agent 100% guaranteed for craftsmanship and quality, durable enough for your daily using This is a electronic scale with high precision, the accuracy is up to 0.001g Low battery voltage alarm, auto power off, tare function professional, potable, excellent for use