WIRELESSC CHARGING REFRIGERANT SCALE Max capacity: 100kg/220 Lb Resolution: 5g Accuracy: ±0.05%rdg+10g Power supply: 5*AA(Scale)+5*AAA(handle) Operating temperature: -10℃~40℃ Storage temperature: -15℃~50℃ Overall size: 271*271*74mm/10.7*10.7*2.9 inch Weight: 3.8kg/8.3 lb