Features 1、Made of high‑quality materials, sturdy and durable, anti‑corrosion, to ensure durability. 2、High‑quality and durable, equipped with plastic gears, high precise and digital control. 3、Metal gear can withstand higher loads to ensure the normal operation of the steering gear. 4、High efficiency during operation, low noise, low power consumption, and convenient installation and disassembly. 5、The package contains different servo arms to meet your needs and bring you convenience. Item Type: Remote Control Helicopter Servo Material: Plastic + Metal Color: Black Weight: Approx.22g/0.8oz Working Voltage: DC 4.8V-6V Output Torque: 2.25kg/cm (4.8v) / 2.7kg/cm (6v) Output Speed: 0.12s/60°(4.8v)/ 0.10s/60°(6v) Working Frequency: 1520us/333HZ Working Angle: 180° Application: for FW450 Remote Control Helicopter, Fixed Wing, Etc. Package List 1 x Servo 3 x Servo Arm 1 x Screw