100g X 0.001g mg Scale: Utilizes the latest high-precision sensor system and wind shelter to weigh medicines/powder more accurately. Better protect your health and more accurate for your demand. (Accuracy: 0.001g, Weighing amount: >0.005g, The error range is within ±0.005g), 2 Power On Ways: this scale can be powered on by 2 pcs AAA battery, this scale also can be powered on after recharging by connecting to the power supply by USB wire. More convenient for your use., More Functional Design: Digital mg scale kit with large backlit LCD for easy reading with 8 necessary measurement units, can convert between G, MG, OZ, OZT, DWT, CT, GN, and TL. Even the weight of a feather can be weighed. and this scale has been certified by FCC, CE, and ROHS. The 100g calibration weight has been certified by JJG99-2006, Level: M1. Offer., More Smart Design: This powerful scale with the "PCS" function enables you to pieces counting such as pins, beads, and screws; and it configures the Tare function /Counting function /Calibration/ Auto power off /Overload indicator(Ideal for precision weighing of precious metals, jewelry, gold, gems, stones, medications, herbs, and reloading), Crash-proof and strong packaging comes with tweezers, a plastic pan, a tray, and 100g calibration weight. NEWACALOX scale with 3 YEARS of brand support. All of the mg scales are individually tested. If you have any questions please contact us. We suggest you read the user manual before using it.