Features -Suitable for: 1/10 1/8 scale RC Crawler / Buggy / Truck and any application where waterproof standard servos. High precision potentiometers and High-resolution digital chip, stable performance, strong anti-interference ability, fast response, control is more delicate and smooth operation. Full waterproof servo to maintain good water tightness in wet conditions. The Coreless motor provides high speed, response, incredible efficiency and low power consumption. Electrical Specification: Operating voltage range: 5-7.4V Operating speed ( 5.0V ): 0.1 3sec/60 degree Operating speed ( 6.0V ): 0.12 sec/60 degree Operating speed ( 7.4V ): 0.11 sec/60 degree Stall torque ( 5.0V ): 29kg/cm Stall torque ( 6.0V ): 32kg/cm Stall torque ( 7.4V ): 35kg/cm Control Specification: Control System: PWM(Pulse width modification) Pulse width range: 500~2500 sec 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) Mechanical Specification: Gear ratio: 373 Bearing: Double bearing Connector wire: 17.7inches(450mm) Motor: 3-pole(s) Waterproof performance: IP66 25KG Coreless servo 270, please search ASIN: B07RNFQYD2 30KG Control Angel 270, please search ASIN: B07VN6F179 20KG Control Angle 270, please search ASIN: B07PG8M4G9 20KG Control Angle 180, please search ASIN: B07R4SJYY2