Feature: 1. Equipped with highly accurate potentiometer and high‑resolution digital chip, stable performance and response. 2. Highly Precise metal equipment, hard anodized, higher precise and longer service life. 3. The controllable angle range is 0-180 degree rotation, with good linearity and precise control. 4. Can be rotated 360 degrees when the power is off, which is very suitable for robot joint activities. 5. Wide application range, can be widely used in robots, 450 helicopters, fixed wing, etc. Specification: Item Type: Servo Motors Colour: Black Size: Approx. 32 x 12 x 27mm / 1.3 x 0.5 x 1.1in Working Voltage: 4.8V-6.0V Working Current: 200mA Speed: 0.12second / 60° at 4.8V ; 0.10 Second / 60° at 6V Torsion: 2.6kg.cm (4.8V); 3.4kg.cm (6V) Cable Length: Approx. 25cm / 9.8in Plug Type: JR Application: For Robots, 450 Helicopters, Fixed Wing, Etc.. Package List: 4 x Servo Motors16 x Steering Arm20 x Screw