BrotherHobby VY 1504.5 3950Kv is a powerful motor suitable for 3–3.5" freestyle drones or cinewhoops with 4S batteries. The motor is made from durable 7075 aluminum alloy, uses curved N52H magnets, and high-quality NSK 5×2×2.5 mm Japanese bearings. It comes with a 16 cm 24AWG wire and weighs 16 grams.