Compatible with 400-450 airplanes or RC helicopters, wide range of applications. Output, continuous 30A, burst 40A up to 10 seconds. High efficiency and reliability. Input voltage: 2-3 cell lithium battery or 5-9 cell NiCd/NIMh battery. BEC: 2A / 5V (linear mode). Maximum speed 210,000 rpm for 2-pole BLM, 70,000 rpm for 6-pole BLM, 35,000 rpm for 12-pole BLM. Features T-connector and 3.5mm banana connectors for easy installation. Item Type: RC Airplane Parts Material: ABS + Electronic Components Type: 1400KV Motor + 30A ESC + 9G Servo + 8060 Propeller SG90A 9G Servo: Size: Approx. 21.5 x 11.8 x 22.7 mm / 0.8 x 0.5 x 0.9 inches Weight: 9 g / 0.3 oz (approx.) No-load speed: 0.12 seconds / 60 degrees (4.8V) Stall torque: 1.5-1.7 kg/cm (4.8V-6V) Operating temperature: -30 ~ +60 ℃ Dead zone setting: 5 microseconds Operating voltage: 4.8V-6V A2212 1400KV Motor: KV: 1400 Max efficiency: 80% Max efficiency current: 4-10A (>75％) Current capacity: 12A / 60s No-load current: 10V: 0.5A Number of batteries: 2-3 lithium polymer batteries Motor size: Approx. 27.5 x 30 mm / 1.1 x 1.2 inches Shaft diameter: Approx. 3.17 mm / 0.1 inches Weight: 47 g / 1.7 oz (approx.) Package Includes: 2 x 9G SG90 Servo 1 x A2212 KV1400 Brushless Motor 2 x 8060 Propeller 2 x Propeller Packings 1 x 30A ESC Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide the best solution!