Description : 100 % and High Quality . This vehicle amp ; accs for RC Fixed Wing Plane Helicopter . Designed to minimize consumption . and quick Installation . Specification : 9G Micro Servo Translucent , lightweight , less noise Size : 21 . 5 x 11 . 8 x 22 . 7mm speed : 0 . 12 sec / 60 deg ( 4 . 8 V ) Locked - rotor torque : 1 . 5 - 1 . 7kg / cm ( 4 . 8V - 6V ) Operating temperature : - 30 ~+ Celsius Dead setting : 5 microseconds Working voltage : 4 . 8V - 6V 2217 motor KV : 1250 Size : 27 . 8 x 32 mm Weight : 68g Shaft Diameter : 4 mm Accessories : 4 . 0mm prop adapter , motor mount , screws 40A ESC Current : 40A Output capacity : continuous current 40A , short - time current 55A input : 2 - 4 batteries ( Not Included ) BEC output : 5V @ 3A : 210 , 000 rpm motor , 7000 rpm for 6 motor , 35 , 000 rpm for 12 motor Size : ( Approx ) 68x25x8mm age Includes : 2pcs 9G Servo 1pc A2217 KV1250 Motor 2pcs 8060 Propeller 1pc 40A ESC Note : 40A ESC Safety arming feature : Regardless the throttle stick position , the motor will not spin battery connected . Throttle calibration funtion : Throttle can be calibrated to be compatible with different . User programmable . Multiple procedure methods supported : transmitter stick , LED procedure . Very to procedure the flying field . Compatible with Lipo and battery . Timing can be changed to be suitable for different brushless motors . Full protection : Low voltage cutoff protection / Over / Throttle signal loss protection .