Fangrui Product Details Smart Hand-brew Usb Charging Coffee Scale, Italian Coffee Scale. Multi-function 0.1g Single-point Precision Sensor, Smart Timing, Accurate Countdown. Short Tare To Start/pause Timing; Long For 2 Seconds, Timing Reset Maximum Timing 99 Minutes And 59 Seconds. 0.1g High-precision Sensor, Sensor Accurate To 0.1g. One-button Peeling And , Short Tare To Start/peel And Reset, Long 2 Seconds To Shut Down Tare. Led High-definition Large Screen Display, High-definition Large Digital Display, Easy To Read. Built-in Buzzer Function, Touching The Button Has Sound, Which Serves As A Prompt. Display:led Power Supply:3.7v Charging Type /200ma Unit Selection:g Graduation Value:d=0.1g Range:0.3-2099g Colour:black Material:plastic Size:170x90x27mm Package Contents: 1 * Rechargeable Coffee Scale Only 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