Mini digital scale for jewelry, gold, lab use. High Precision: Use I-shaped sensor, reacts quickly and accurately. Long Standby Time: Low power consumption and environmental friendly product. Windshield Design: Effectively avoid the external disturbance. 60 seconds automatically power off when not in use. Plural capacity/accuracy:0-100gx0.001g Readability: 0.001g/0.0001oz/0.0001ozt/0.001dwt/0.05ct/0.1gn Units: g/oz/ozt//ct/gn Auto off: 60 seconds off Operqtion Temp: 10-30 Display: LED 5 1/2 digits Power Supply: 2 X AAA battery(Not included) Noted: The scale of 100g/0.001g is equipped with 50g weight. Please don' worry about it. The factory setting is 50g calibration, and it can actually measure 100g. Colour:black Material:plastic Size:. 115 X 65 X 17mm/4.53 X 2.56 X 0.67inch Package Contents: 1 x Digital Scale 1 x User Manual 1 x Standard Calibration Weight 1 x Tray 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.