This XK servo is suitable for XK K130 3D 6CH RC helicopter. With its terrific quality and performance, it can totally satisfy you and bring lots of flying joy Feature: 27 * 27 * 8mm mini size, light weight. Servo torque: 1.2kg/cm at 4.8V, 1.5kg/cm at 6V. High quality and durability in use. Metal gear design makes the servo have high torque and power. Suitable for XK K130 RC helicopter. Any problem, please contact our store without hesitation. Honor to serve you Specifications: Item name: XK Servo Suitable for: XK K130 RC helicopter Material: ABS, metal Gear material: Metal Operation voltage range: 4.8 ~ 6.0V Servo speed: 0.082 sec/60degree at 4.8V, 0.08 sec/60degree at 6V Servo torque: 1.2kg/cm at 4.8V, 1.5kg/cm at 6V Temperature range: -10 to +50 Dead Band Width: 3 usec Item dimension: 27 * 27 * 8mm Item weight: 5g Brown: Negative Red: Positive Orange: Signal Package information: Package size: 10 * 4.5 * 1cm / 3.9 * 1.8 * 0.4in Package weight: 11g There might be some deviation due to manual measurement. Package list: 1 * Servo 1 * Part set