Reciver and AGFRC SA18 18KG Coreless Waterproof Low Profile Smart Servo

ARX-482R Specification Operating Voltage: 3.5V~8.4V Dimension: 23.6×18.4×28.4mm Weight: 7.3g No. Of Channels: 4CH PWM Mode: Normal/ SHR/ SSR ARX-482R Compatibility Compatible with SANWA FH3/FH4T remote control system. Suitable for remote control M12, M11X, EXZES X, MT-4, GEMINI X, MT-S, MT-4S, M12S, M17 SA18 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, AirplaneSA18 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