1. Apply Environmental Condition
Storage Temperature Range: -30°C to 80°C
Operating Temperature Range: -15°C to 70°C
Operating Voltage Range: 5 to 8.4V

2. Mechanical Specification
Size: 40 x 20 x 38.5 mm
Weight: 85 g
Gear Ratio: 366
Bearing: Double bearing
Connector Wire: 300 ± 5 mm
Motor: Brushless motor
Waterproof Performance: IP67

3. Electrical Specification
Idle current (at stopped): 5mA@4.8V , 5mA@7.4V , 5mA@8.4V
Operating speed (at no load): 0.14 sec/60°@4.8V , 0.1 sec/60°@7.4V , 0.09 sec/60°@8.4V
Stall torque (at locked): 39 kg-cm@4.8V , 55 kg-cm@7.4V , 61 kg-cm@8.4V
Stall current (at locked): 3.2A@4.8V , 5.2A@7.4V , 6.2A@8.4V

4. Control Specification
Control System: PWM (Pulse width modulation)
Pulse width range: 500～2500 μsec
Neutral position: 1500 μsec
Running degree: 180° or 270° (when 500～2500 μsec)
Dead band width: 2 μsec
Operating frequency: 50～330Hz
Rotating direction: Counterclockwise (when 500～2500 μsec)

Package includes:
1 X BLS3355 55kg high torque brushless servo
1 X 25T Servo arm
1 X Accessory Kit