Feature: 1. Durability: This digital servo adopts precise gears, which are more wear resistant, not easy to collapse and sweep teeth, etc. It has a long and stable working performance and can withstand large pressure and restrictions, effectively improving the service life. 2. Complete Spare Parts: This digital servo includes servo kits, spare gears and shaft pins, 25t metal servo arms, etc., which can ensure the long‑term ease of use of the robot parts software development, and also reduce the user's cost of use and improve the cost performance of the purchase. 3. Specially Customized: This digital servo is specially tailored for RC enthusiasts to provide different experiences and fun for different users, able to be configured and adjusted according to different needs and performance requirements. 4. Waterproof Design: This digital servo has a waterproof design, which can still maintain good water tightness even in wet environment, ensuring its long term stable operation performance and making users feel more comfortable using it. 5. High Performance: The digital servo adopts high voltage magnetic induction technology and brushless design, which provides excellent performance output with smooth operation and fast response time during operation. Specification: Item Type: Magnetic induction brushless digital servos Material: Aluminum alloy Color: Black Product Size: Approx. 55x20x44.5mm / 2.2x0.8x1.8in Working Voltage: DC 6-8.4V Neutral Position: 1500μs/330hz 6V: Working speed 0.1sec/60degree, stall torque 40KG 7.4V: Working speed 0.08sec/60degree, stall torque 45KG 8.4V: Working speed 0.07sec/60degree, stall torque 48KG Applicable: Neutral position 1500μs/330hz Deadband: 2μs Weight: Approx. 150g / 5.3oz. Package List: 1 x Servo1 x Aluminum Servo Arm2 x Gear2 x Pin2 x Plastic Servo Arm6 x Screws4 x Screw Barrel4 x Vibration Damping Pad1 x Storage Box