Mini Digital Scale Jewelry Tea Weighing Tool 1. Pocket electronic scale, suitable for weighing jewelrymedicinal materialspowderstea, etc. 2. Highly sensitive sensor, supports calibration function, stable and non-jumping (method: open the electronic scale, press and hold the unit button for 3 seconds, 50.00g will appear, then press the unit button again and 50.00g will flash, then put a 50g weight on it, and the correction will be completed automatically. ) 3. Three power supply methods: chargingdirect plugdry battery (note: to maintain battery life, please use a 5V1A charger, and fast charging function chargers are prohibited) 4. One-click conversionone-click tareing of 6 types of units to meet the weighing needs of various materials 5. Upgraded black stainless steel scale surface, which feels delicate in hand. The black scale surface has a stronger sense of integration and looks more beautiful. 6. High-definition display with white characters on black background for clearer readings Parameter: 1. Material: ABS engineering environmentally friendly plastic 2. Measuring rangegrading value: 100g0.01g; 200g0.01g; 300g0.01g; 500g0.01g; 500g0.1g 3. Unit: gtlgnctozozt 4. Product size: 107×66×29mm 5. Power supply: The battery model uses AA batteries (not included), and the rechargeable model has a built-in lithium battery 6. Automatic shutdown time: 180 seconds 7. Operating ambient temperature: 0-40 degrees Celsius (32 - 104 degrees Fahrenheit) 8. Low voltage display: LO 9. Overload display: O_Ld 10. Function keys: power onoff, clearing and taring, unit conversion