ELECTRONIC REFRIGERANT SCALE Max capacity: 100kg/220 Lb Resolution: 5g Accuracy: ±0.05%rdg+10g Power supply: 9V batteries Operating temperature: -10℃~40℃ Storage temperature: -15℃~50℃ Overall size: 227*227*70mm/8.9*2.8*2.8inch Weight: 2kg/4.4 lb