The motor adopts waterproof design and related waterproof technology, has a certain anti-corrosion function, and runs normally in the rain.14-stage 12-slot high-torque motor designCNC machine tool processing steel billet, 6061-T6 aluminum heat sink, secondary oxidation treatment, high-end and fine appearanceHigh-purity copper coils for maximum performance and temperature resistance of 180-200High-speed ABEC5 ultra-durable sealed bearings have low friction, low noise, high precision and long-lasting use.0.2 ultra-thin silicon steel sheet: excellent performance, high magnetic permeability, high silicon content, good insulation and heat resistance3.5mm gold-plated connector, 5.0mm output shaftThe dynamic balance of the outer rotor is controlled within 10 mg to no abnormal noise, no vibration, and high smooth operation.Colour:blackMaterial:Metaltype:800KVPackage Contents:1 x RC Plane Helicopter brushless motorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.