BETU 2Pack 25KG High Torque RC Servo,Steering Servo Compatible with 1/8, 1/10, 1/12 RC Car, Airplanes and Robots, Full Metal Gea

25KG High Torque RC Digital Servo are ideal for cars, airplanes ,and robots. -High-speed big torque digital servos. -Servo Equipped with strong Aluminum gear, iron core motorfull Metal Gear -CNC aluminum middle shell -Less Noise, light weight -Stable and water-proof Apply Environmental Condition Storage Temperature Range: -30?~80? Operating Temperature Range: -15?~70? Operating Voltage Range: 4.8-6.8V Mechanical Specification Size: 40*20*40.5mm Weight: 60g Gear ratio: 275 Bearing: Double bearing Connector wire: 3005mm Motor: 3-pole(s) Waterproof performance: IP66 Electrical Specification Operating Voltage: 5V / 6.8V Idle current(at stopped): 4mA-5V / 5mA-6.8V Operating speed (at no load) 0.15 sec/60-5V; 0.13sec/60-6.8V Stall torque (at locked): 21 kg-cm-5V; 24.5 kg-cm-6.8V Stall current (at locked): 1.9A-5V; 2.3A-6.8V Control Specification Control System: PWM(Pulse width modification) Pulse width range: 500~2500sec Neutral position: 1500sec Running degree: 270 (when 500~2500 sec) Dead band width: 3 sec Operating frequency: 50-330Hz Rotating direction: Counterclockwise (when 500~2500 sec) Package Included: -2 x 25KG Waterproof Digital Servo -2 x 25T Adjustable metal servo arm -2 set of accessories