Product name:A2217 KV1250KV Brushless Motor 40A ESC SG90 9G Micro Servo 8060 Propeller for RC Fixed Wing Plane Helicopter 40A ESC Feature Safety arming feature: Regardless the throttle stick position, the motor will not spin after battery connected. Throttle calibration funtion: Throttle range can be calibrated to be compatible with different transmitters. Full protection: Low voltage cutoff protection / Over-heat protection / Throttle signal loss protection. User programmable. Compatible with Lipo and NiMH battery. Timing can be changed to suit for different brushless motors. Multiple procedure methods support: transmitter stick, LED procedure Card. Very easy to procedure the ESC at home or at the flying field. . Specification Product Name: RC ESC/Servo SG90A 9G Micro Servo Specification: This is popular mini servo. Only weighs 9 gram and gives you a 1.5 kg/cm torque. Pretty strong regarding its size. Suitable for beam type robots. Key features: • Translucent body • Lightweight • Less noise SG90A 9G Servo Specification: Size: 21.5mmX11.8mmX22.7mm Weight: 9 grams No load speed: 0.12 sec / 60 deg (4.8 V) Locked-rotor torque: 1.5-1.7kg/cm (4.8V-6V) Operating temperature: -30~~+60 degrees Celsius Dead zone setting: 5 microseconds Working voltage: 4.8V-6V 2217 motor Specifications: Dimension: 27.8*32 mm Weight: 68 g Shaft Diameter: 4 mm Accessories: 4.0mm prop adapter, motor mount, screws Prop Recommendation: 2217-1100KV: 11 or 10 inch props, eg. 1155, 1070, 1060, etc. 2217-1250KV: 9 inch props, eg. 9050, 9045, 9060, etc. 2217-2300KV: 6 inch props, eg. 6040, etc. 40A ESC Specification: Color: as shown Types: long, short Current: 40A Output capacity: continuous current 40A, short-time current 55A (not less than 10 seconds) Power input: 2-4 lithium batteries(Not Included) BEC output: 5V@3A (linear regulator mode - linear mode) Maximum speed: 210,000 rpm for 2-pole motor, 7000 rpm for 6-pole motor, 35,000 rpm for 12-pole motor Size: (Approx) 68x25x8mm Packing list: 2*9G SG90 Servo 1*A2217 KV1250 2*8060 Propeller 1*40A ESC