Features:1. Made of high quality material, durable and long service life.2. Small size, lightweight and easy to carry.3. Great craftsmanship and easy installation.4. High efficiency and low noise, fast speed and low power consumption5. Suitable for 3 Dimensions flight for helicopters up to 450 and below, best for swashplate, for fixed wingsSpecification:Condition: 100% Brand NewThe Moment of Force: 1.8kg/cm (4.8v) 2.2kg/cm (6.0v)Reaction Rate: 0.10 sec / 60 degree (4.8 v) 0.08 Sec / 60degree (6.0 v)Working Voltage: 4.8V-6VOperating Temperature: 0-55Action Dead Zone: 5usGear Media: MetalWorking Mode: Digital & SimulationWeight: Approx. 14g / 0.5ozSize: Approx. 22.8 * 12.2 * 28.5mm / 0.9 * 0.5 * 1.1in Package List:1 * Servo Metal Gear3 * Servo Rocker Arm3 * Screw.