Modulation: Digital Torque: 6.0V: 86.00 oz-in (6.19 kg-cm) 6.6V: 94.00 oz-in (6.77 kg-cm) 7.4V: 106.00 oz-in (7.63 kg-cm) Speed: 6.0V: 0.12 sec/60° 6.6V: 0.11 sec/60° 7.4V: 0.10 sec/60° fat: 0.99 oz (28.0 g) proportions: Length:1.30 in (33.0 mm) Width:0.59 in (15.0 mm) Height:1.06 in (27.0 mm) engine Type: Brushless Gear Type: metal Rotation/Support: Dual Bearings