Torque (kg-cm) 6.0 (4.8V) / 7.5 (6.0V) / 9.2 (7.4V) / 10.2 (8.2V)Speed 0.17 s (4.8V) / 0.13 s (6.0V) / 0.11 s (7.4V) / 0.10 s (8.2V)Working Voltage 3.8V-8.4 V DC Volt (2S Lipo un-regulated)Working Frequency 1520µs / 333HzDead Band 0.001 ms (Default)Bearing 2* Ball BearingGear Metal Alloy GearMotor Coreless MotorWeight: 21 g Dimension:29 x 13 x 28.7 mm