Master the art of coffee brewing with acaia - the only scale designed for coffee enthusiasts that monitors the weight, time and flow-rates as you brew coffee. This simple, modern and minimalistic scale is designed with brilliant functionality in mind, compatible with the acaia iPhone & Android app, offers you the endless possibility to explore the exquisite world of coffee. • Fast - 20ms response time provides Ultra-fast response time and instant readings. • Accuracy - Highest internal resolution up to one million counts allows for readability up to 10th of a gram. The acaia pearl is sensitive to even weight changes resulting from evaporation. • Stability - Auto Zero tracking, Creeping compensation technology to provide industrial grade stability. • Built in Stopwatch - You can track the blooming, pouring and infusion time without a fuss, with the two-way timer that sync with your mobile phone. • Automated Auto-off Customization - The acaia will not shut down during coffee brewing, auto-off feature is also customizable in mobile app. • Rechargeable USB Power Supply - A greener alternative power source, battery lasts 20-30 hrs. Inside the package: • acaia | pearl™ coffee scale (white) • acaia | aerial™ heat resistant pad (black) • micro-USB cable Product Spec: • Dimensions: 160mm(W) x 160mm(L) x 32mm(H) • Approx. weight: 462g • Capacity: 4.4 lbs / 2kg • Measuring Units: oz , g • Increments: 0.1g • Battery: USB rechargeable • Connectivity: Bluetooth 4.0.