1.Scale dimensions:5.9\" 5.1\" x 1.1\" 2.This coffee scale measures in 0.3 gram increments for highest precision. 3.Integrated timer for complete and total control of your coffee brewing process 4.Auto power off in 3 minutes (when the timer is off);Auto power off in 100 minutes(when the timer is on) 5.TYPE C USB CHARGING INTERFACE - Built-in1600mAh rechargeable lithium battery.A greener alternative power source.battery lasts 10 hrs