Features: 1.20KG DIGITAL SERVO: This is a FT5320M 20KG digital servo, waterproof, adopts metal gear and core motor, comes with a 25T servo arm, ensuring reliable performance. 2.180 DEGREE ROTATION: This digital servo allows for precise angle control from 0 to 180 degree, with good linearity, can rotate 360 degrees in case of power outage, ideal for robotic joint movements. 3.METAL MATERIALS: Equipped with high precise all metal gear and stainless steel gear, hard anodized aluminum casing design enhances strength and provides efficient heat dissipation. 4.HIGH PERFORMANCE: This digital servo operates smoothly with low vibration and noise, has a long lifespan, ensuring long term reliable service. 5.VERSATILE APPLICATION: This digital servo can be widely used in robots, robotic arms, RC cars, remote controlled boats, RC airplanes, and more. specification:Item Type: Digital Servo Material: Metal Mechanical s: Mechanism Limit Angle: Unlimited Output Shaft: 25T/5.9mm Bearing Type: Ball Bearing Motor Type: Core Motor Electrical Parameters: Working Voltage: 6V 7.4V No Load Speed: 0.185sec/60 0.151sec/60 No Load Current: 100mA 120mA Locked Rotor Torsion: 16.5Kg.cm 20Kg.cm Locked Rotor Current: 2.3A 3A Rated Load: 5.5Kg.cm 6.5Kg.cm Rated Current: 800mA 1000mA Voltage Range: 4-8.4V Kt Constant: 6.5Kg.cm/A PackageList: 1 x Digital Servo 1 x 25T Servo Arm 5 x Accessory 4 x Cover 10 x Screw