Application: Remote control helicopters micro robot robot arm and boats. Fit for ALL kind of R/C Toys and also make electronics DIY based on Arduino Raspberry Pi Interface Type: Compatible with JR & FUTABA interface. Operating Speed: 0.11 seconds / 60 degrees (4.8V); Maximum angle: 180 Manufacturered by Smraza. Stall Torque: 2.0kg/cm(4.8V); Dead band setting: 5 microseconds; Amplifier type: Analog controller; Operating Voltage: 4.8V Please note: The starting current of the motor should be over than 1A. Comes with 1 year warranty and lifetime technical Support MG90S micro servo motor used metal gear with less noise aluminum metal teeth coreless motor double ball bearing. Updated SG90 servo motor