Acaia Pearl Pitch Black Product Weight: 500 g ± 5 g Product Dimensions: W: 160 mm L: 160 mm H: 32 mm Maximum Capacity: 2000 g / 70.55 oz Minimum Weight: 0.1 g Measuring Units: g / oz Readability: 0.1 g Repeatability: 0.1 g Linearity: 1 d Indication Limit: 2060 g / 72.66 oz Power Supply: 5 V / 500 mA Battery: Lithium-ion rechargeable 3.7 V 1100 mAh Battery Life: Up to 25 hours Display: LED Material: PC Connectivity: Bluetooth 4.0 Manufacture Warranty: 1 Year Inside the Package: Acaia Pearl Coffee Scale Black x 1 Heat Resistant Pad (Black / Gray) x 1 Micro USB Charging Cable x 1 PRODUCT DESCRIPTION Fast - 20ms response time provides Ultra-fast update 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 Youtube