The jewellery scales Max weight 5000g. Ultra-high accuracy sensor can be used to achieve accurate weighing to 0.01 (Display accurate measurement with 2 digits after the decimal point). It is suitable for precious objects such as gold and diamonds that require high accuracy.7 units of g, kg, oz,tl,fl:oz,water ml,milk ml can be switched by push the "Unit" button and set the automatic shutdown time, In the power-on state, press and hold the TARE button, release it after the number appears, click the PCS button to adjust the standby time number (3/5/15 minutes), 0 is to disable the automatic shutdown function, click the UNIT button to confirmTwo ways of charging. Built-in rechargeable lithium battery with USB charging cable. 2 AAA batteries are (not include) . There is no need to frequently replace AAA batteries, and USB charging is more worry-free and environmentally friendly.can be used or carry out at any time. With backlight function, can read clearly at night. In addition, there is a warning that the battery power is too low and or the load is overloaded for weighing small precious items such as gold, silver, coins, jewellery, gems, tablets, diet products, cooking herbs, and spices etc.Material: Stainless steelcolour: BlackPackage Contents:1 x food scale 1 x USB cableOnly 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.