Voltage range: 4.8V ~ 6.6V DC Dimensions: 40x20x40.5mm (see images for more dimensions) No-load speed: 0.22 seconds / 60 degrees (4.8V); 0.20 sec / 60 degrees (6.6V) Torque: 29.0kg · cm (4.8V); 32.5kg · cm (6.6V) Rotation range: Continuous rotation Waterproof (splash water) Material gears: Metal