1. Adopts a 12-bit high-resolution magnetic encoder angle sensor. Compared to potentiometers, the angle is expanded to 360 degrees, and the resolution is increased by 4 times. Due to the gap between the magnetic encoder elements and the magnet, there is no friction, effectively extending the servo's lifespan. 2. The shell features a high-strength engineering plastic structure and a double-axis low-profile design, optimizing the planar distance of the double-axis rudder plate. The overall structure is more compact, enhancing the product's aesthetic appeal. 3. One-button median calibration, 360-degree installation in any position, and a single button to set the current position to the median, making installation very convenient. 4. The two-way feedback servo can provide real-time feedback on position, load, speed, and input voltage, allowing for constant control. 5. At 12V, the torque can reach 30 kg.cm, suitable for building quadruped, hexapod, robotic arms, and other robot projects requiring multiple steering mechanisms, easily handling human-like movements. Product Type: ST3215 Servo Bus Servo Product Torque: 30 kg.cm@12V Angle: 360 degrees (0-4095) Position Sensor Resolution: 360 degrees /4096 Mechanical Limit Angle: Working Voltage: 6~12.6V Gear Type: High Metal Idle Speed: 0.222sec/60 degrees (45RPM)@12V Encoder Type: 360-degree Magnetic Encoder ID Range: 0~253 Baud Rate: 38400bps~1 Mbps (default 1Mbps) Feedback: Position; Load; Speed; Input Voltage Idle Current: 180mA Stall Current: 2.7A Stall Torque: 11 kg.cm/A Color: Black Material: Plastic + Metal Size: 45.22 x 37.25 x 24.72mm Package Contents: 1 x 30 kg Serial Bus Servo Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.