Features:     With fast calibration function, can automatically calibrate to reduce errors and improve the accuracy of measurement.     Jewelry scale will automatically shut down if there is no operation within 1 minute, environmentally friendly and energy-saving, extends battery life.     The unit of measurement can be easily converted between g / oz / ct / gn / ozt / dwt / TL.     Jewelry scales can measure the net weight of items through the tare function, so you can easily weigh items.     LCD screen with orange backlight can display the reading even in the dark environment, which is intuitive and clear.     Small and light, you can easily put it in your pocket or backpack for easy carrying without taking up space.          Specification:     Product name: Jewelry Scale      LCD display: 5-digit LCD display     Display screen: orange backlight     Power supply: 1 x AAA battery (not included)     Unit selection: g/ oz/ ozt/ dwt/ ct/gn/TL     Operating temperature: 10-30& 8451;     Capacity: 20g,100g (optional)     Accuracy: 20/0.001g, 100/0.005g     Material: ABS+metal     Size: app.95x45x13mm/3.74x1.77x0.51in     Optional Styles: A(100/0.005g), B(20/0.001g)     Color: Black + Silver     Quantity: 1set          Note:     Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.     Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you           Package includes:     1 x Jewelry Scale      1 x Stainless Steel Bowl     1 x 20g Calibration Weight     1 x Manual(other accessories demo in the picture is not included.)