1、Material: Made of high quality aluminum alloy material, sturdy and durable, anti corrosion, to ensure durability. 2、Metal Gear: The metal gear can withstand higher loads to ensure the normal operation of the servo. 3、Performance: High efficiency during operation, low noise, low power consumption, and convenient installation and disassembly. 4、Package: The package contains different servo arms to meet your needs and bring you great convenience. 5、Application: Our digital servo is suitable for RC racing helicopter, an excellent airplane replacement part. Item Type: Full Metal Digital Servo Shell Material: Aluminum Alloy Color: Black Working Voltage: 4.8-8.4V Working Temperature: -10℃ ~ +60℃ Working Frequency: 1520us / 333hz Servo Weight: 77g / 2.7oz (Without Cable) Application: RC Fixed Wing Aircraft, Glider Test Reported ValuesTest Voltage6V7.4V8.4VSpeed0.14sec/60° 0.12sec/60° 0.10sec/60°Torque 28kg.cm 32kg.cm 36kg.cmOperating Current 700mA 800mA 900mAStall Current3000mA3500mA4000mADead Band Width  2μ 2μ 2μ 1 x Servo 4 x Servo Arm 5 x Screw 4 x Screw Anti Skid Tube 4 x Rubber Pad 1 x Manual