SPECIFICATIONS Accuracy: 0.1g Battery Included: no Brand Name: NONE Certification: CE Choice: yes Feature: Led Display High-concerned chemical: None Material: Plastic Model Number: Coffee Scale Origin: Mainland China Power Source: Battery Shape: Rectangle Model Number : Coffee Scale Material : Plastic Feature : LED Display Origin : Mainland China Shape : Rectangle Certification : CE Scale Type : DIGITAL Accuracy : 0.1g Power Source : Battery Battery Included : No High-concerned chemical : None Power source: DC4.5V 3XAAA batteries(not included) Operating: 1.Press " ON / OFF " to display " HELLOAfter stable , display shows 000 " 0 . 0g 2.Put the items on the weighing pan to weigh 3.if the display unit is not right , you can press theUNIT key to achieve unit conversion , selectthe unit you want to use Tare Function : 1.put a tray or container to the pan 2.Press " TARE " key , the display will show " 0 . 0 3.then you can add items to the container orweighing plate weighing 4.When the container and contents are removedwill be displayed Timer Function : 1.Press " START / STOP " key to start the timer 2.Press " START / STOP " key once to pause the timer, Press " START / STOP " key again to resume timer 3.press and hold " START / STOP key will timer to zero