Allows user to program desired quantities. EMPTY/FULL tank feature allows user to know the amount of refrigerant in the tank at any time. Capacity: 110 kg (240 lbs) Accuracy: 0.01 kg / 0.16 oz / 0.01 lb ] or 0.1% of reading (whichever is greater) Resolution: 0.01 kg / 0.02 lb 3 hrs Auto Off function Battery life (approximately 40 hrs) 9 x 9 platform