30A Brushless Speed Controller ESC for MultiCopter, Quad-Rotor, X-Copter Compatible with 400-450 helicopters, aircraft, or quad-rotor RC helicopters Output: Continuous 30A, Burst 40A up to 10 seconds Input Voltage: 2-3 cell lithium battery or 5-9 cell NiCd/NiMH battery BEC: 2A / 5V (Linear mode) Max Speed: 210,000rpm for 2-pole brushless motor, 70,000rpm for 6-pole brushless motor, 35,000rpm for 12-pole brushless motor Includes XT60 plug and 35mm banana connectors SG90A 9G Mini Servo: Popular mini servo, weighs only 9 grams, delivers 1.5 kg/cm torque, suitable for lightweight robotic applications Features: Translucent body, lightweight design, low noise operation SG90A 9G Specifications: Size: 22.5mm x 11.8mm x 22.7mm Weight: 9 grams No load speed: 0.12 sec / 60 deg (4.8V) Stall torque: 1.51.7 kg/cm (4.8V6V) Operating temperature: -30C to +60C Dead band width: 5 microseconds Working voltage: 4.8V6V A2212 1400kv Brushless Motor Specifications: KV: 1400 Max Efficiency: 80% Max Efficiency Current: 4-10A (greater than 75% efficiency) Current Capacity: 12A for 60 seconds No Load Current at 10V: 0.5A Recommended Battery: 2-3S LiPo Motor Dimensions: 27.5mm x 30mm Shaft Diameter: 3.17mm Weight: 47g Product Dimensions: Approximately 5 x 36 x 15 cm Material: Plastic + Metal Color: Multicolor Package Includes: 1 x Brushless Motor 1 x ESC (Electronic Speed Controller) 2 x Propellers 2 x Paddles 1 x Belt Note: The package includes only the items listed above. Other accessories are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual product. Measurement error allowed is +/- 1-3 cm.