Features1Micro servo, weighing 9 grams, torque is 1.5kg/cm, quite powerful, reliable in use.240A ESC, safety protection function, throttle calibration function, support a variety of procedures and methods.3Compatible with lithium and nickel metal hydride batteries. Reliable and durable.4You can change the time to suit different brushless motors. Meeting different demands.5Full protection: low voltage cut off protection/overheat, protection/throttle signal loss protection.Condition: 100% Brand NewItem Type: RC Plane PartsMaterial: ABS + Electronic Components Type: 1250KV Motor + 40A ESC + 9G Servo+ 8060 PropellerSG90A 9G Servo:Size: Approx. 21.5 x 11.8 x 22.7mm / 0.8 x 0.5 x 0.9inWeight: 9 g / 0.3 oz(approx.)No-Load Speed: 0.12 seconds / 60 degrees (4.8V)Blocking Torque: 1.5-1.7kg/cm (4.8V-6V)Working Temperature: -30 ~ + 60 Dead Zone Setting: 5 microseconds2217 Motor:Size: Approx. 27.8 x 32mm / 1.1 x 1.3inWeight: 68 g / 2.4 oz(approx.)Shaft Diameter: Approx. 4mm / 0.2inAccessories: 4.0mm pillar adapter, motor mounting seats, screwsProps Recommended:2217-1100kV: 11 or 10 inch items, e.g. 1155, 1070, 1060, etc.2217-1250kV: 9-inch prop, e.g. 9050, 9045, 9060, etc.2217-2300KV: 6 inch item, e.g. 6040, etc.40A ESC:Features:Safety protection: no matter where the throttle is, the motor will not rotates when connected to the battery.Throttle calibration function: The throttle range can be calibrated to be compatible with different transmitters.User programmable.Support a variety of program methods: emitting rod, LED program card.Very easy to operate at home or on the fly.Compatible with lithium and nickel metal hydride batteries.You can change the time to suit different brushless motors.Specifications:Types: Long, shortCurrent: 40AOutput Capacity: Continuous current 40A, short current 55A (not less than 10 seconds)Power Input: 2-4 lithium batteries (not included)Maximum Speed: 210,000 RPM for 2-pole motor, 7,000 RPM for 6-pole motor, and 35,000 RPM for 12-pole motorSize: Approx. 68 x 25 x 8mm / 2.7 x 1 x 0.3inPackage List2 x 9G SG90 Servo 1 x A2212 KV1250 Brushless Motor 2 x 8060 Propeller 2 x Propeller Gasket 1 x 40A ESC