Features: Mechanical arms, climbing for cars and remote control toys. Speed: 0.16sec/60(5v)/0.14sec/60(6.8v). The main functions are fast heat dissipation, large high torque compatibility, sensitive and responsive, etc. Great performance programmable standard digital servo, can be widely used in robots. High-well-controlled rotation, 270-degree rotation. 360-degree rotation when powered off, perfect for common robot activities. Excellent choice for university professors and students interested in developing software for robot parts. Specifications: CNC aluminum medium for shell, Upgraded version - advanced linearity and precision with precision Large torque maximum torque is up to 21.5kg/cm (298.5oz/in) 6.8v Gear Type: Copper & Aluminum Potentiometers, stable, low noise, waterproof Working Frequency: 1520μs / 333hz Stall Torque (5v): 19 kg/cm (263.8oz/in) Waterproof rubber seal screws CE Certification: Yes Item: DS3218MG Size: 40x20x40.5mm (1.58x0.79x1.60 in) Motor Type: for DC motor Note: Please allow 0-1cm error due to manual measurement. Make sure you don't mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 pc HV Brushless Digital Servo.