Optimized Performance: The -E PRO 2306 motor is designed to provide reliable and powerful performance for FPV freestyle drones. Available in two versions, 2450KV for 4S setups, it meets various flying demands Construction: Built with high-quality materials, the motor ensures durability and , making it perfect for DIY drone enthusiasts Application: Ideal for both new builders and experienced pilots, the -E PRO 2306 motor boosts the performance of your FPV freestyle drones, providing an exhilarating flying experience KV value: 2450 kV Motor weight (including wire): 33.6 g External dimensions: 29.5 x 18.7 mm Interphase internal resistance: 55.6 m Rated working voltage: 16.8 V Maximum current: 43.38 A Maximum power: 712.7 Base hole: 16 x 16-3 mm Outer rotor specification: integrated Outgoing shaft diameter: 5 mm Outgoing shaft length: 13.5 mm Outgoing wire length/specification: 160 mm/20 AWG Magnet type: N52H tile magnet Slot level: 12N14P Bearing type: Bearing specification: 9 x 4 x 4 Winding method: single strand Accessories included: nickel-plated M3 x 8 (4 PCS)/M5 black flange nut (1 PCS) Due to different batches, there may be differences in product appearance and printed text, which not affect use Color: Black Material: Metal Package Contents: 1 * Brushless Motor kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.