Features: Compatible with No. of cells: 3-4S lithium batteries( not included). Low noise, less vibration, less heat generation, long service life. Brushless motor with high efficiency and sensitive power response. Light weight, will not bring burden to the RC racing drone, improve flight performance. Supports Mulitshot Oneshot42 OneShot125. Continue Current: 30A, Burst Current: 35A up to 10S, Input Voltage: 2-6S Lipo. Great choice for university professors and students who are interested in developing software for multicopter parts. Specifications: Item: 2205 2300KV Brushless Motor Framework: 12N14P No. of Cells: 3-4S Color: Red and Black Length: 31.7mm Shaft: M5 KV: 2300 Max Thrust: 1024g Diameter: 27.9mm Propeller Suggested: HQ 5045 BN Weight: 30g Item: 30A Brushless ESC Input Voltage: 2-6S Lipo BEC Output: No Continue Current: 30A, Burst Current: 35A up to 10S Size: 35x18x5mm Weight: 9g Support Damped mode, Oneshot125, Oneshot42 and Multshot Main IC: SILABS EFM8BB21F16, MCU run 48MHz MOS: Both low and high side fets are Nfets Switching speed is very fast, it has dedicated driver chip Package Information: Package Size: 12x8x3cm Package Weight: 180g Plastic Package Package List: 2x 2205 2300KV Brushless Motor(Reverse Rotating) 2x 2205 2300KV Brushless Motor(Forward Rotating) 4x 30A Brushless ESC Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.