Specifications: Model: QY3242BLS Item Name: QY3242BLS Brushless Servo Rotation angle:180 degree,There are more angles to comment on Dead Band: 2sec Operating Voltage: 5.0V~8.4V Operating Speed (6V): 0.118sec / 60 at no load Operating Speed (7.4V): 0.092sec / 60 at no load Operating Speed (8.4V): 0.085sec / 60 at no load Stall Torque (6.0V): 30 kg/cm Stall Torque (7.4V): 38 kg/cm Stall Torque (8.4V): 42kg/cm Motor Type: Brushless Motor Gear Type: Copper & Aluminum Working Frequency: 1520s / 333hz CE Certification: Yes Size: 40 * 20 * 37mm Weight: 69g Features: High-torque brushless motor design suitable for demanding applications like 1:8 and 1:10 RC cars, trucks, and robots. Quick and consistent performance across a variety of voltages for responsive and precise movement. Robust gear system, blending copper and aluminum for durability and smooth operation. Certified quality with CE certification, ensuring safety and reliability in every use. Compact design, weighing only 69g, ideal for weight-sensitive applications. Package included: 1 x QY3242BLS 42KG Large Torque Digital Servo(including accessories) Note: The color deviation is subject to actual system configuration and 1-3cm slight dimension difference is allowed due to manual measurement. Please refer to the size chart based on your actual figure.