L*W*H(mm) 1300*850*1050 Weight(with/without battery cell) 48/32 Roller Diameter(mm) 240 Side Brush Diameter(mm) 350 Maximum Working Efficiency(M2/H) 3000 Cleaning Width(mm) 700 Dust Box Volume(L) 56 Battery Cell(pcs) 2 Voltage(V) 24 Capacity(AH) 24 Charging Interval After Totally Discharging (H) 8 Working Hours When Fully Charging (H) 8 Environment Temperature(�� -20-50 Noise(db) 58 Motor Power(W) 215