HiRCgo 20KG Digital Servo Set of 2 with U-Mount Bracket, Full Metal Gear, Waterproof, High Torque, RDS3218 for Robot Arm, Compatible with RC Cars,

[RDS3218 20KG Digital Servo with U-Bracket] - Operating Voltage: 4.8-6.8V; Static Torque: 21.5kg·cm (5V) / 25kg·cm (6.8V); Speed: 0.20 sec/60° (5V) / 0.17 sec/60° (6.8V) [High Quality and Performance] - This 20kg servo features high-strength brass gears, a high-precision potentiometer, a CNC aluminum frame, a stabilizing tip, and waterproof rubber-sealed screws. It features low noise, excellent heat dissipation, low friction, fast response, strong anti-jamming properties, and a long lifespan. [Ideal for Industrial and Robot Arms] - Waterproof RDS3218MG 20KG Digital RC Servo with U-Mount Bracket. Ideal for industrial equipment and robot arm drives. [Rotation Angle] - 180° rotation angle when PWM (500-2500μs). 90° rotation angle when remote controlled (1000-2000μs). [Package Contents] - 2 x RDS3218 20KG Digital RC Servo; 2 x Long U-Shaped Metal Brackets; 2 x Short U-Shaped Metal Brackets; 4 x Round Metal Discs; 2 x Screw Sets