Feature:
100% Brand New.
High torque & high efficiency. The overall efficiency exceed 90 percent.
Low heat production， long lifetime， strong overload protection and it can function 95% of its features without any heat sink appliance.
High quality materials adopted: high intense aluminum alloy anodizing shell ， front & back cover ， high-performance temperature-resistant magnetic steel and imported high-speed bearing.
High quality and durable in use.

Specifications:


Package size: 10 * 8 * 8 cm / 4 * 3.2 * 3.2 in
Package weight: 166 g / 5.9 oz

Package list:
1 * 2850 4450KV Sensorless Brushless Motor