30A Brushless Speed Controller ESC for MultiCopter - X-Copter Compatible with: 400-450 helicopters or multi-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 poles, 70,000rpm for 6 poles, 35,000rpm for 12 poles (for Brushless Motor) Equipped with T-plug and 3.5mm banana connectors Note: This ESC cannot be used to flash firmware Color: Multicolor Material: Plastic and metal SG90 9G Servo: Miniature servo, weighs only 9 grams, delivers 1.5 kg/cm torque Suitable for lightweight robotic applications Key features: Translucent body, lightweight design, low noise operation SG90A 9G Servo Specifications: Size: 21.5mm x 11.8mm x 22.7mm Weight: 9 grams No-load speed: 0.12 sec / 60 at 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 2200KV Motor Specifications: KV Rating: 2200 Internal Resistance: 0 Battery Compatibility: 2-3S Li-Po Maximum Power: 342W Recommended Propeller: 7x3 or 7x4 Motor Dimensions: 27.5mm x 38mm (1.08 inch x 1.5 inch) Shaft Diameter: 3.17mm (0.12 inch) Package Contents: 1 x 30A Brushless ESC 1 x 2200KV Motor 2 x SG90A 9G Servo 1 x Accessories Set Note: Light and display differences may cause slight variations in color between the image and actual product. Measurement error allowed within +/- 1-3cm.