Key Featuresauto Shut Off outside Caliberation? auto Zero Tracking? auto Backlight (optional) low Battery Indication counting Function (optional)?What?s in the boxbattery, scaleSpecificationsSKU: GE779IP04HYXJNAFAMZProduct Line: stan intl storesModel: 2000grammWeight (kg): 2Certifications: ASTM CertifiedColor: n/aMain Material: N/AShop Type: Allschoolabs Mall