DUAL POWER SUPPLY AND WARNINGIt can be powered by USB or 2 AAA batteries (batteries included). Built-in rechargeable lithium battery and USB charging cable. The battery does not need to be replaced frequently, and USB charging is easier and more environmentally friendly. WarningTo avoid burning the product, please do not use the fast charging cable to charge the product. Note that only non-rapid chargers can be used. 7 units of measurement and auto-off function There are 7 units kg, g, lb, oz, tl, ml, milk ml which can be switched, so you can comfortably weigh different objects. Automatic shutdown after 180 seconds of inactivity, energy saving. Large weighing surfaceBrushed metal surface. You can even weigh objects from 1 gram to 5 kilograms. 17.5 x 15cm, large surface brushed metal finish, elegant and easy to care and clean. Thin and light design and multi-functionThickness is only 19mm, thin and portable. With backlight, it can be read clearly at night. It is safer and also provides low and overcharged battery warnings. With the waterproof function, there is no need to worry about water leaking in the movement. Better user perception and tactile buttonsNo need to press hard buttons. Change the unit of weight (or tare, on, off) with a single press of the flat metal textured button. It is more durable, and you don't have to worry about the buttons wearing out after long time use. We only sell electronic scales, not other items in the picture. Due to the differences between different monitors, the pictures may not reflect the actual color of the item. Due to manual measurement, please allow slight errors in size.