Usage Tips:High Accuracy: This digital scale has 100 max weight capacity and reads weights in increments of 0.001g. Min. weight recommendation: 0.005g. High precision sensors make sure the accurate weighing. It also comes with a 50g calibration weight. Portable & Useful: With protective lid, this scale is and convenient, an accurate net weight of gold, silver, coins, powder, medicine, jewelry, gem or any item that you need precise accuracy. The large backlit LCD automatically lights up with each measurement so you can easily read the results. Dust Proof Design: The circular groove weighing pan is designed to prevent the weighing object from sliding out; anti-skid ABS tray to prevent weighing items spilling out; the windshield can prevent external interference during weighing; when not in use, the dust cover can be covered to prevent the dust from affecting the weighing. 7 Different Weighing Units Modes: g / oz / ct / gn / tl / ozt / , for easy weight translations, tare function for net determination. Perfect Design: Crash-proof and strong packaging comes with USB cable, 2 x AAA batteries, tweezers, a plastic pan, and 50g calibration weight. Color: Black Material: Plastic Package Contents: 1 x electronic scale 1 x tray 1 x tweezers 1 x USB cable 1 x 50g weight 2 x AAA batteries Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.