Features 1、Precise Design: This RC helicopter brushless motor adopts precise design with maximum energy conversion. 2、Reliable Performance: This RC helicopter brushless motor with excellent heat dissipation ensures reliable operation performance. 3、Stable Operation: This RC helicopter brushless motor provides stable operation, high efficiency and strong torsion. 4、Aluminium Alloy: This RC helicopter brushless motor is made from premium aluminum alloy and brass, sturdy and durable. 5、Waterproof Dustproof: This RC helicopter brushless motor features waterproof, dustproof, low power consumption and low noise. Item Type: RC Helicopter Brushless Motor Material: Aluminum Alloy and Brass Color: Black and Blue 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 Package List 1 x RC Helicopter Brushless Motor 1 x User Manual