BLS 905X V2 Technical Details:

Operating voltage (max.) [V]: 8.4
Stalling Torque [kg.cm]@4.8V: --
Stalling Torque [kg.cm]@6.0V: 6.0
Stalling Torque [kg.cm]@7.4V: 7.0
Stalling Torque [kg.cm]@8.4V: 8.0
Response time [s/60°]@4.8V: --
Response time [s/60°]@6.0V: 0.045
Response time [s/60°]@7.4V: 0.040
Response time [s/60°]@8.4V: 0.035
Width [mm]: 20.0
Length [mm]: 40.5
Height [mm]: 37.0
Weight [g]: 72.0
Motor type: Brushless
Frequency range: 760µs/560Hz
Gearbox type: Steel
Bearing type: 2BB
Gearing: 25T-6
Servo type: Standard
Electronics: Digital
Position sensor: Potentiometer
Waterproof: No
Manufacturer: KST