1、Aluminum Shell: Using high quality aluminum alloy shell, the digital servo is sturdy, durable, anti corrosion, to ensure durability. 2、Metal Gear: The metal gear can withstand higher loads to ensure the normal operation of the steering gear. 3、High Performance: High efficiency during operation, low noise, low power consumption, and convenient installation and disassembly. 4、Servo Arms: The package contains different servo arms to meet your needs and bring you convenience. 5、Applicable Models: With high precision, digital control, high reliability, the digital servo is specially designed for RC fixed wing airplane and RC glider. Item Type: RC Digital Servo Shell Material: Aluminum Alloy Product Color: Black Servo Weight: 23g / 0.8oz (without cables) Product Weight: Approx. 200g / 7.1oz Working Temperature: -10℃- +60℃ Working Frequency: 1520us/333Hz Application: Suitable for RC Fixed Wing Airplane and RC GliderTest Parameters     Voltage 6V 7.4V 8.4VSpeed 0.11sec/60° 0.10sec/60° 0.09sec/60° Torque 4kg.cm5.2kg.cm 6kg.cm Working Current 350mA400mA 520mAStall Current 1100mA 1200mA 1300mA Dead Band Width 2u 2u 2u 1 x Servo 3 x Servo Arm 4 x Screw 1 x Manual