Feature: 1. Micro servo, weighing 9 grams, torque is 1.5kg/cm, translucence body, lightweight, and low noise. 2. 40A ESC, safety protection function, throttle calibration function, support a variety of procedures and methods, comprehensive protection. 3. Compatible with lithium and nickel metal hydride batteries. You can change the time to suit different brushless motors. 4. Full protection: low voltage cut off protection/overheat protection/throttle signal loss protection. 5. Easy and convenient for installation, reliable and durable to use. Specification: Condition: 100% Brand New Item Type: RC Plane Parts Material: ABS + Electronic Components Type: A2217 2300KV Motor + 40A ESC SG90 + 9G Servo+ 6035 Propeller SG90A 9G Servo: Size: Approx. 21.5 x 11.8 x 22.7mm / 0.8 x 0.5 x 0.9in Weight: 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 microseconds Working Voltage: 4.8V-6V 2217 Motor: Size: Approx. 27.8 x 32mm / 1.1 x 1.3in Weight: 68 g / 2.4 oz(approx.) Shaft Diameter: Approx. 4mm / 0.2in Accessories: 4.0mm pillar adapter, motor mounting seats, screws Props 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, short Current: 40A Output 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 motor Size: Approx. 68 x 25 x 8mm / 2.7 x 1 x 0.3in. Package List: 2 x 9G SG90 Servo 1 x A2212 KV2300 Brushless Motor 2 x 6035 Propeller 2 x Propeller Gasket 1 x 40A ESC Note: 1. Please allow 0.5~2cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.