Features 1、Protection Function: The brushless servo has anti blocking and anti burning protection function, equipped with full CNC accurate gears, more wear resistant, not easy to break the brush teeth 2、IPx8 Waterproof: The 100kg servo has a fully waterproof design, with waterproof rating IPx8, the servos can be fully immersed in water 3、High Torsion: The RC servo is a 100KG high torsion digital waterproof servo with brushless motor, which is much faster than ordinary servos 4、Scope of Application: The waterproof servo is used to change the torsion, speed and angle of remote control toys, robots, robotic arms and other remote control toys 5、Package Contents: The package includes servo accessories package, spare gear and shaft pin, 15t metal servo arm, so can be used with confidence Item Type: Brushless Servo Shell Material: Aluminum Alloy Colour: Black Product Size: Approx. 59.5 x 29.5 x 54mm / 2.3 x 1.2 x 2.1in (excluding cables, mounting wing on both sides and top gear) Working Voltage: DC 5V to 8.4V Rotation Angle: 180° Number of Teeth: 15T Dead Time: 3μs Pulse Width: 500 to 2500μs Operating Frequency: 1520μs/330hz Motor: High Performance Brushless Motor Gear: All Steel Teeth Potentiometer: High Performance Potentiometer Experimental Data Speed (6v): 0.135 Seconds/60° Speed (7.4v): 0.11 Sec/60° Speed (8.4v): 0.1sec/60° Stall Torsion (6v): 90kg Cm Stall Torsion (7.4v): 100kg Cm Stall Torsion (8.4v): 112kg Cm Connection Line: JR Line 300mm Applicable: for 1/5 for 1/6 RC Car, Robot, Boat, Helicopter, Etc. Package List 1 x Brushless Servo 2 x Servo Arms 4 x Rubber Pads 2 x Spare Gears 2 x Pins 6 x Screws