Features 1. Micro servo, weighing 9 grams, torque is 1.5kg/cm, powerful and reliable. 2. 40A ESC with safety protection, throttle calibration, supports various programming methods. 3. Compatible with lithium and nickel-metal hydride batteries. Reliable and durable. 4. Adjustable timing to suit different brushless motors. Meets various performance needs. 5. Full protection: low voltage cutoff, overheat protection, throttle signal loss protection. Condition: Item Type: RC Plane Parts Material: ABS + Electronic Components Type: 1250KV Motor + 40A ESC + 9G Servo + 8060 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) Stall Torque: 1.5-1.7kg/cm (4.8V-6V) Operating Temperature: -30 ~ +60 Dead Band Width: 5 microseconds 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 Recommended Props: 2217-1100kV: 11 or 10 inch props, such as 1155, 1070, 1060, etc. 2217-1250kV: 9-inch prop, such as 9050, 9045, 9060, etc. 2217-2300KV: 6 inch prop, such as 6040, etc. 40A ESC: Features: Safety protection: motor remains off when battery is connected, regardless of throttle position. Throttle calibration function: throttle range can be calibrated for compatibility with different transmitters. User programmable. Supports multiple programming methods: transmitter programming, LED programming card. Easy to use at home or on-site. Compatible with lithium and nickel-metal hydride batteries. Adjustable timing for different brushless motors. Specifications: Type: Long, short Current Rating: 40A Output Capacity: Continuous current 40A, burst current 55A (up to 10 seconds) Input Power: 2-4S LiPo battery (not included) Maximum Speed: 210,000 RPM for 2-pole motor, 7,000 RPM for 6-pole motor, 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 KV1250 Brushless Motor 2 x 8060 Propeller 2 x Propeller Washer 1 x 40A ESC