V2 36KG Waterproof Brushless Servo and SA18 18KG Low Profile Smart Servo

A80BHSW Feature High Performance Digital Standard Servo Built-in Magnetic Sensor Fully Waterproof IP67 Reliable Full Metal Gears High Efficiency Bruhless Motor Programmable Digital Circuit High Strength Three Ball Bearings Full CNC Aluminium Hulls and Structure Ideal for 1/10, On Road, Off Road, Truck, Airplane, Helicopter, Robot and Engine etc A80BHSW Specification Operating Voltage: 4.8-8.4 V Operating speed: 0.100sec/60° @ 6.0V Operating speed: 0.083sec/60° @ 7.4V  Operating speed: 0.071sec/60° @ 8.4V  Stall Torque: 28 kg-cm (389 oz-in) @ 6.0V Stall Torque: 33 kg-cm (458 oz-in) @ 7.4V Stall Torque: 36 kg-cm (500 oz-in) @ 8.4V Gear: Steel Motor: BLS Size: 40*20*37.2mm (1.57 x 0.78 x 1.46 in) Weight: 79g Connector Wire: TYU 300 mmSA18 Feature High Performance Low Profile Digital Servo Aluminum Heat Sink Case  Reliable Metal Gears Dual Ball Bearing Standard 25-Tooth Spline Fully Waterproof IP67 High Precision Magnetic Sensor High Efficiency Coreless Motor Programmable Digital Circuit Available To Change Firmware For Different Usage Ideal for 1/12, 1/10 On Road, Off Road, Truck, Airplane SA18 Specification Operating Voltage: 4.8-8.4 V Operating speed: 0.13sec/60° @ 6.0V Operating speed: 0.12sec/60° @ 7.4V Operating speed: 0.11sec/60° @ 8.4V Stall Torque: 13 kg-cm (181 oz-in) @ 6.0V Stall Torque: 16 kg-cm (222 oz-in) @ 7.4V Stall Torque: 18 kg-cm (250 oz-in) @ 8.4V Gear: Steel Motor : CLS Size: 40.8*20.2*26.5mm (1.60 x 0.79 x 1.04 in) Weight: 51g Connector Wire: JR 180 mm