The HOM 2207.5 is T-Motor #39;s new and sleek design. Available in 1700 and 2500 KV. 2500KV Input Voltage: 3-4S Configuration: 12N14P Max Continuous Current: 48A (60 sec.) Internal Resistance: 37mΩ ldle Current@10v: 1.7A Motor Dimensions: Φ27.5x33.5mm Stator Dimensions: Φ22×7.5mm Shaft Dimensions: ΦM5×15mm Wire Dimensions: 20AWGx150mm Mounting Pattern: Φ16mm, 4xM3 Weight (w/ wires): 34.8g Package Included: 1 x T-Motor HOM 2207.5 Brushless Motor 1 x M2.5x6mm Screw 1 x Washer 4 x M3x7mm Screw