Feetech/FITEC FS90 Micro 9g Servo Support 4.8V 6V 1.3kg for RC Model Airplane Helicopter Robot Specification Model: Micro analog plastic gears servo Operating Voltage:4.8-6 Volts Interface: (like JR) Wire length: 20cm Power: 4.8V/6 V Speed: 0.12sec/60degree Torque: 1.3kg.cm/18.9oz.in Weight: 9g (0.32oz) Size: 23.2*12.5*22.0mm Application for rc airplane Package Included 1 x Servo 1 x Servo arm