Feature:1. Waterproof Function: This RC car servo features anti blocking and anti burning protection, with waterproof function, equipped with full CNC precise gears, more wear resistant.2. Aluminium Alloy: This RC 80KG servo is made of premium aluminium alloy, which ensures high hardness and long service life.3. 80KG High Torsion: This 80KG high torsion digital waterproof RC servo adopts brushless motor,4. IPX8 Waterproof: This RC car servo is IPX8 waterproof, so the servo can be completely submerged in water. much faster compared to ordinary servos.5. Wide Application: This RC waterproof servo is used to change the torsion, speed and angle of remote control toys, robots, robotic arms and other remote control toys.Specification:Item Type: RC Car ServoMaterial: Aluminium AlloyColor: BlackProduct Size: Approx. 40 x 20 x 42mm / 1.57 x 0.79 x 1.65in (Excluding Cable, Mounting Wing on Both Sides and Top Gear)Working Voltage: Dc 5V to 8.4VRotation Angle: 180 DegreesTeeth: 25 TDead Zones: 2sPulse Width: 500 to 2500sOperating Frequency: 1520s/ 330hzMotor: High Performance Brushless MotorGear: All Steel TeethPotentiometer: High Performance PotentiometerThe Experimental DataSpeed (6V): 0.12s /60 DegreesSpeed (7.4V): 0.1s /60 DegreesBlocking Torsion (6V): 72kg cmBlocking Torsion (7.4V): 80kg cmConnecting Line: JR Line 300mmApplication: Suitable for 1/8, 1/10 Remote Control Vehicle / Robot / Boat Etc..Package List:1 xRC Car Servo1 x Servo Arm1 x Metal Servo Arm4 x Screw Sleeve4 x Rubber Mat2 x Standby Gear2 x Plug6 x Screw