1、The servo is fast, flexible, convenient, reliable, compatible, and it has strong anti-interference ability. 2、Coreless motor provides high efficiency motor system 3、Double ball bearing with low noise and fast heat dissipation. 4、The middle metal shell material design makes the servo waterproof. 5、Metal gear design makes the servo have high torque and power. Features: 1. The servo is fast, flexible, convenient, reliable, compatible, and it has strong anti-interference ability. 2. Coreless motor provides high efficiency motor system 3. Double ball bearing with low noise and fast heat dissipation. 4. The middle metal shell material design makes the servo waterproof. 5. Metal gear design makes the servo have high torque and power. 6. Wonderful accessory for model fixed wing aircraft, helicopter, car and robot. Specification: Control system: Positive PWM control (1500 usec neutral) Operating voltage range: 6.0V - 7.4V Operating temperature range: - 20 ° c - + 60 ° c Test voltage: At 6.0 V Torque: 26kg-cm Speed: 0.16 seconds / 60 ° Idle current: 350mA Operating current: 3300mA At 7.4 V Torque: 29kg-cm Speed: 0.145 seconds / 60 ° Idle current: 400mA Operating current: 4000mA Dead zone width: 1 usec Laps: ＞15,000 Operating limits: 55°±5° Direction: Retiming/pulse stroke 1500 to 2100 usec Driver Type: FET driver Motor Type: Coreless Potentiometer Type: Indirect drive Amplifier Type: Digital Item Size: Approx. 40 * 20 * 37.2mm/1.6 * 0.8 * 1.5in Weight: Approx. 115g Ball Bearing: Double Ball Bearing Gear Material: Imported Steel Case Material: Nylon + fibre/aluminum Connector Wire Length: 300mm Connector Wire Gauge: 22AWG heavy duty (JR universal) Wire Info (brown): Negative Wire Info (red): Positive Wire Info (white): Signal Application: Car model; fixed-wing aircraft; helicopter; robot Package List: 1 * Servo 1 Set of Accessory