HBL 990 - HV Digital Servo brushless

 Torque: 4.7 kg-cm (6.0V) / 5.8 kg-cm (7.4V) / 6.3 kg-cm (8.2V)
 Speed: 0.040 s (6.0V)   /  0.036 s (7.4V)  /  0.030 s (8.2V)
 Weight:  70.55 g

Dimensions：40 x 20 x 40 mm
Operating Voltage：3.5 ~ 8.4 V DC Volts  ( 2S Lipo un-regulated)
Working frequence：760μs / 560hz
Dead band：0.0008ms (Default)
Bearing Type：2BB   
Motor Type：4-Pole Brushless Motor
Gear Type：Chrome-Titanium alloy gear