BH9012 HV Brushless Servo
PRODUCT SPECIFICATIONS:
Type: Digital
Bearing: Dual
Motor Type: Brushless
Gear Type: Metal
Gear Material: Titanium & Alu
control system: pulse width control  
working frequence: 1520μs / 330hz 
operating voltage: dc6.0-8.4v 
operating temperature range: -10 to + 60 degree
operating speed (6.0v): 0.05 sec/60 degrees at no load
operating speed (7.4v): 0.04 sec/60 degrees at no load
operating speed (8.4v): 0.035 sec/60 degrees at no load
stall torque (6.0v): 8.5kg.cm (118.0 oz/in)
stall torque (7.4v):  9.5kg.cm (131.9 oz/in)
stall torque (8.4v):  12.0kg.cm (166.6 oz/in)
potentiometer drive: direct drive 
dimensions: 40x20x38.0 mm /1.57x0.79x1.49 in 
weight: 70.0g (2.47 oz)
connector wire length: jr 250 mm