Micro servo 4.3g iS403 iFLIGHT( iS403-4.3G) 4.3g Micro Servo Technical Data: Operating Voltage: 4.8v ~ 6.0v Operating Speed: 0.10sec/ 60° Stall Torque: e0.8kg Dimentions: Size: 19.8x8.0x22.5mm Weight: 4.3g No Ball bearing, MOS-FET Drive