Features: 1. X2807 brushless motor is the upgraded motor, 12N14P high torque motor design, which is smooth, reliable and powerful. 2. The motor is characterized by support 2~6S lipo. Suitable for multicopter, RC aircraft, drone. 3. Motor KV 1700KV, shaft size 4 x 14mm, motor mount M3 x 19, which is compatible with 6-7inch propeller.Widely use in RC aircraft, drone, helicopter, plane, multicopter and so on. 4. FPV brushless motor provides the most incredible power and thrust in the lightest weight. Give you a more satisfied experience with your model. 5. Each rotor was dynamically balanced with high speed. High purity copper windings maximize efficiency, good insulation and heat resistance. Specifications: Model: X2807 Framework: 12N14P No. of Cells: 2 - 6S Length: 32mm Shaft: M3 KV: 1700 Diameter: 33.5mm Propeller Suggested: 6-7inch Material: plastic+metal colour: As Shown Package Contents: 1 x X2807 Brushless Motor 1 pack x Screws 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.