BLA1HH21 (7.4V)
Brushless Digital Servo 
- – Metal gear construction with aluminium casing.
- – Cable length – 400 mm
- – IP64 level water/dust resistance
- – Interface – 4-Pole Connector (Signal, V+, GND, Body-GND)
- – Dimensions – 40.5 x 21.0 x 38.4 mm or 1.59 x 0.83 x 1.51 in
- – Weight – 79 g or 2.79 oz
- – Torque at 7.4V – 37 kgf*cm or 514 oz*in
- – Speed at 7.4V – 0.11 sec/60 degrees