CYS-S8210 4.8-6.0V Metal Gear Micro Digital Tail Servo for 450 500 RC Helicopter Description: Item No. CYS-S8210 Type Digital Weight 25g Size 35*15*30mm Control System (+) Pulse Width Control 1500usec Neutral Operating Voltage 4.8~6.0 Volts Operating Temperature Range (-)20 to +60 degree COperating Speed (4.8V) 0.10sec/60 at no load Operating Speed (6.0V) 0.08sec/60 at no load Stall Torque (4.8V) 2.0kg.cm Stall Torque (6.0V) 2.2kg.cm Operating Angle 45deg.one side pulse traveling 500 usec 360 Modifiable No Direction Anticlockwise/ Pulse Traveling 1000~2000usec Current Drain (4.8V) 20m A/idle & 120m A no load operating Current Drain (5.0V) 20m A/idle & 150m A no load operating Stall Current 800m A/900m A Dead Band Width 2usec Motor Type 3 Pole Ferrite Drive Bearing Type Dual Ball Bearing Horn gear spline 25 T Gear Type Metal Important Notes:- Refer to the figure when installing the servo accessories.- For engine powered airplanes & boats, rubber must be used to reduce vibration.- Please choose correct model for your application.-Torque over-loaded will damage the servos mechanism-.- Keep the servo clean & away from dust, corrosive gas & humid air. Package Included:1 x CYS-S8210 500 Helicopter Tail Servo