From Makers Electronics's description

MG90S Micro Servo Full Metal Gear 180 Degree The MG90S Micro Servo Full Metal Gear 180 Degree is a compact, high-performance servo motor featuring full metal gears for enhanced strength, durability, and precision. Designed to rotate up to 180 degrees, it provides smooth and responsive movement, making it ideal for robotics, RC vehicles, drones, and other DIY electronics projects. With its small size and lightweight construction, it fits perfectly in tight spaces while delivering strong torque and reliable performance. The MG90S operates on standard PWM signals and is compatible with most microcontrollers, including Arduino, making it a popular choice for hobbyists and makers seeking a tough and efficient servo solution. Features: Full metal gear for improved strength, durability, and precision. 180-degree rotation for versatile applications. Small and lightweight design ideal for tight spaces. Provides high torque and reliable performance. Compatible with standard PWM control signals. Low power consumption, efficient for battery-operated projects. Smooth and quiet operation. Suitable for use in robotics, RC models, and DIY electronics. Easy to integrate with microcontrollers like Arduino, Raspberry Pi, and others. Specifications: Model: MG-90S Housing material: plastic Gear Material: Full metal gears Servo type: Micro Supply voltage: from 4.8 V to 6.0 V Parameters for 4.8 V: Torque: 1.8 kg.cm (0.2 Nm) Speed: 0.1 s/60°. Parameters for 6.0 V: Torque: 2.2 kg.cm (0.23 Nm) Speed: 0.08 s/60° Range of motion: 0° to 180° Cable length: 25 cm Dimensions: 22.5 x 12.2 x 28.5 mm Weight: 13.4 g Dead Band Width: 2 µsec Connector Type: Standard 3-pin (male) Operating Temperature Range: -30°C to +60°C PWM Frequency: 50 Hz (standard) Life Expectancy: 1,000,000 cycle MG90S Wiring Description: Wire Number Wire Colour Description 1 Brown Ground wire connected to the ground of system 2 Red Powers the motor typically +5V is used 3 Orange PWM signal is given in through this wire to drive the motor Applications: Robotics. RC Vehicles. Drones and Quadcopters. Arduino & Microcontroller Projects. 3D Printers & CNC Machines. Animatronics & DIY Projects. STEM Education Kits. Package Contents: 1 X MG90S Micro Servo Full Metal Gear 180 Degree 1 X Servo Horns (Single arm, double arm, and round type) 1 X Mounting Screws Datasheet: MG90S Micro Servo Full Metal Gear 180 Degree

From Micro Ohm's description

MG90S Metal Gear Servo 180 Degree The MG90S 9g Servo Metal Gear – 180 Degree is a compact and lightweight servo designed for projects requiring precise and continuous 180-degree rotation. With its robust metal gear construction, this servo ensures durability and reliability, even in demanding applications. Its 9g weight and compact size make it an ideal choice for RC cars, planes, boats, and robotics projects where space is limited, and performance is critical. This servo operates on a wide voltage range and delivers consistent torque with smooth movement. It is compatible with most microcontroller platforms, making it a versatile component for hobbyists and professionals. The MG90S is known for its high precision and low backlash, offering seamless control for rotational tasks, making it a perfect addition to your automation and DIY robotics projects. Features: 180° Continuous Rotation: Ideal for robotics and custom projects requiring full rotation. Metal Gear Construction: Ensures durability and high torque performance. Compact and Lightweight: Weighs just 9g, suitable for small-scale applications. Operating Voltage: Works efficiently within a 4.8V–6V range. High-Speed Performance: Quick response time for precise movements. Sturdy Build: Resistant to wear, ensuring long-term reliability. Wide Compatibility: Works with various RC models, drones, and Arduino projects. Easy Installation: Comes with necessary accessories for quick setup. Package Includes : 1 x MG90S 9g Servo Metal Gear – 180 Degree Specification : Item Type: Generic Servo Motor Model Series: MG Series Rotation (Degree): 180 Torque Rating (kg-cm): 2 to 2.5 Model No.: MG90S Operating Voltage (VDC): 4.8 – 6.0 Volts Operating Speed @4.8V 0.11sec / 60 degrees Operating Speed @6.6V 0.10sec / 60 degrees Stall Torque @ 4.8V (Kg-Cm) 2.0 kg/cm Stall Torque @6.6V (Kg-Cm) 2.5 kg/cm Operating Temperature (°C) 0 to 55 degree C Shipping Weight 0.015 kg Shipping Dimensions 9 × 7 × 1 cm

From Most Electronic's description

The MG90S Servo Motor (180° Metal Gear) is a compact and powerful micro servo designed for robotics, RC models, drones, and automation projects . It provides smooth and precise control over a 180-degree rotation range , making it ideal for applications that require accurate positioning. It operates at 4.8V–6V and delivers high torque with excellent stability. In addition, its metal gear construction ensures durability and long life compared to plastic gear servos. Because it uses a standard 3-pin connector (PWM, VCC, GND) , it is compatible with Arduino, Raspberry Pi, STM32, and other microcontrollers . Also, it is lightweight and easy to mount, therefore it is suitable for both educational and professional projects. Key Features: Model: MG90S (180°) Rotation Angle: 0°–180° Operating Voltage: 4.8V–6V DC Torque: ~2.0Kg·cm @ 4.8V Durable metal gear design Standard 3-pin connector (PWM, VCC, GND) Compact, lightweight, and reliable Compatible with Arduino, Raspberry Pi, STM32 , and RC controllers Perfect for students, hobbyists, and engineers, the MG90S Servo Motor (180° Metal Gear) is the ideal choice for precise, durable, and efficient motion control projects.

From Ampere Electronics's description

MG90S Micro Servo Motor 2.2 kg.cm Metal Gears Main Material : Plastic Electric Parts, Metal Operating Speed : 0.11sec/60 Degrees (4.8V No Load) 0.10sec/60 Degrees (6.0V No Load). Stall Torque : 2.2kg/cm (4.8V) 2.5kg/cm (6.0V) Pin configurations: Orange: PWM Red: VCC Brown: GND