1Stainless Steel Gear: The RC servo adopts extremely strong stainless steel gears and a full body metal casing, with a torque of 50kg, ensuring long service life, durability and high accuracy. 2High Torque Brushless Motor: The built in brushless motor has a large torque, and the service life is 10 times that of the coreless motor of the same level. 3Fully Waterproof Servo: 50kg motor servo adopts fully waterproof design, waterproof grade IP67, the steering gear can be completely immersed in water. 4Digital Servo Function: 50kg digital servo is used to change the torque, speed and angle of RC toys, robots, robotic arms and other remote control toys. 5Applicable Model: Waterproof high torque motor servo is suitable for 1:8, 1:10 remote control car and robots, etc. Servo size is 40x20x37mm/1.57x0.79x1.5. Item Type: 50kg Metal Gear Steering Gear Shell Material: Aluminum Alloy Color: Black Weight: Approx. 140g / 4.9oz Product Size: Approx. 40x20x37mm/1.6x0.8x1.5in Number of Teeth: 25T Rotation Angle: 180 Dead Zone: 2s Working Frequency: 1500s/330hz Working Voltage: 5V-8.4V Speed (5V): 0.13 seconds/60 Speed (6v): 0.12 seconds/60 Speed (8.4v): 0.1 second/60 Locked Rotor Torque (5V): 40kg/cm Locked Rotor Torque (6v): 45kg/cm Locked Rotor Torque (8.4v): 50kg/cm Plug: JR Transmission Ratio: 314 Bearing: Double Bearing Motor: Brushless Motor Waterproof Performance: IP67 Application: 1:8 1:10 RC Car, Robots, etc (such as for SCX10) 1 x Servo 2 x Plastic Steering Gear Arm 5 x Screw 4 x Screw Barrel 4 x Rubber Pad 1 x Metal Steering Gear Arm 2 x Gear (One Large and One Small) 2 x Pin 1 x Storage Box 1 x Manual