KEY FEATURES - Titanium & Steel gears for precision and durability - Intermediate aluminum case - NMB dual main bearings - Superior waterproof - 25T output shaft - 1-Year Limited Warranty Application : 1/10 Crawler  PRODUCT SPECIFICATIONS Type: Digital Bearing: Dual Motor Type: Coreless Gear Type: Metal Gear Material: Titanium & Steel control system: pulse width control  working frequence: 1520μs / 330hz  operating voltage: dc4.8-7.4v  operating temperature range: -10 to + 60 degree operating speed (4.8v): 0.13 sec/60 degrees at no load operating speed (6.0v): 0.12 sec/60 degrees at no load operating speed (7.4v): 0.11 sec/60 degrees at no load stall torque (4.8v): 19.0kg.cm (263.9 oz/in) stall torque (6.0v): 25.0kg.cm (347.2 oz/in) stall torque (7.4v): 30.0kg.cm (416.6 oz/in) potentiometer drive: direct drive  dimensions: 41.3x20.5x38.3 mm /1.63x0.8x1.51 in  weight: 69.0g (2.43 oz) connector wire length: jr 300 mm