Feature:1. Micro servo, weighing 9 grams, torque is 1.5kg/cm, quite powerful, reliable in use.2. 40A ESC, safety protection function, throttle calibration function, support a variety of procedures and methods.3. Compatible with lithium and nickel metal hydride batteries. Reliable and durable.4. You can change the time to suit different brushless motors. Meeting different demands.5. Full protection: low voltage cut off protection/overheat, protection/throttle signal loss protection.Specification: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 microsecondsWorking Voltage: 4.8V-6V2217 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.Full protection: low voltage cut off protection/overheat protection/throttle signal loss protection.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)BEC Output: 5V@3a (Linear voltage regulator mode - linear mode)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 0.3in.Package List:2 x 9G SG90 Servo 1 x A2212 KV1250 Brushless Motor 2 x 8060 Propeller 2 x Propeller Gasket 1 x 40A ESC