HobbyPark Micro Servo Motor Metal Gears Mini Servos for RC Airplanes, Gliders, Robotics, RC Cars, 1/18 1/24 RC Crawlers, 4.6kg High Torque Digital with Aluminum Arms

["Not the cheap ones, All Durable Metal Geared – design for improved strength and longevity, better performance than plastic geared servos of this size, but aren’t much heavier.","High Torque – 52oz-in / 3.8kg.cm(5V), 64oz-in / 4.6kg.cm(7.4V), 68oz-in/4.9kg.cm(8.4V).","Control Angle: 90°-180°, Operating Speed: 0.1second/ 60degree ( 4.8V at no load).","Operating Voltage 4.8V~ 8.4V, Operating Temperature: -10°C ~ +65°C. Dead Zone Width：3us, Low Noise.","Wide Applications: RC Airplanes, RC Gliders, RC Cars, RC Helicopters, RC Quadcopters, Robots, Arduino Projects, DIY 3D Printed Projects, DIY electronics, and other models."]