PDI-5521MG 20.32kg Steering Digital Metal Gear Core Servo With High Torque For 1/10 1/8 RC Car Boat Model DIY Features:1. Dual ball bearings and Good angle range: The servo maximum angle range has 180 degree.2. Small size and light weight.3. High-precision Taiwan-made aluminium gears with hard anodizing.4. High performance digital standard servo.5. Suitable for RC car, boat, drone and helicopter etc.Description:This is high performance digital standard servo, specially designed for RC car, boat, drone and helicopter.Small size and light weight is conducive to the flight/driving/sailing of RC models.Besides, its high quality dual ball bearing, large torque and Taiwan-made aluminium gears are perfect for your RC models.Specifications:Model: PDI-5521MG-180Motor: High quality core motorAngle range: 90Band range: 500s-2500sNeutral range: 1520sOperating speed (4.8V): 0.18sec/60Operating speed (6V): 0.16 sec/60Stall torque (4.8V): 17.25kg.cmStall torque (6.0V): 20.32kg.cmDimensions: 55 * 20 * 44mmConnector wire length: about 260mmWeight: 56gPackage information:Package size: 64 * 50 * 40cm / 2.56 * 1.97 * 1.57inPackage weight: 75g / 2.65ozBrand gift box packagePackage Included:1 x PDI-5521MG-180 20KG High Precision Metal Gear Digital Standard Servo1 x Spare Parts SetNotes:1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.