Welcome to the store! 1、Precise Design: This brushless motor for RC helicopter features a precise design with maximum energy conversion. 2、Reliable Performance: This brushless motor for RC helicopter with excellent heat dissipation ensures reliable operation performance. 3、Stable Operation: This brushless motor for RC helicopter provides stable operation, high efficiency, and strong torsion. 4、Aluminum Alloy: This brushless motor for RC helicopter is made of premium aluminum alloy and brass, sturdy and durable. 5、Waterproof, Dustproof: This brushless motor for RC helicopter is waterproof, dustproof, features low power consumption and low noise. Item Type: Brushless Motor for RC Helicopter Material: Aluminum Alloy and Brass Color: Black and Blue KV Value: 350KV, 1700KV (Optional) Battery Size: Approx. 37 x 48mm / 1.45 x 1.88in (Excluding Cables and Shafts) Shaft Diameter: Approx. 5mm / 0.19in Application: RC Remote Control Helicopter, 50kg Electric Scooter Balance Vehicle, etc KV Voltage No Load Current No Load Speed rmp Maximum Current Maximum Power Applicable Lithium Battery 350kv 30v 0.3A 10600 21A 630W 4-8S 1700kv 11.1v 2.9A 11700 65A 1850W 2-4S 1 x Brushless Motor for RC Helicopter 1 x User Manual Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!