1. [Perfect Replacement]The 70mm 12-blade fan propeller with brushless motor is a perfect replacement for RC model aircraft.2. [Rigidity-Toughness]Using composite materials for processing and injection molding, this lightweight power system has excellent rigidity and toughness.3. [Efficiency ]In order to ensure the perfect balance of the bucket, the bucket will install the air duct in the correct position, and its sound and efficiency can be comparable to that of metal.4. [Excellent performance]A good thermal performance system can enable the engine to run more efficiently, provide the best performance, and at the same time, further extend the life of the engine.5. [Lightweight - high quality]Small size, light weight, exquisite design, strong anti-interference ability.Number of Batteries (Lipo) : 6SMaximum Voltage: 25.2 VMaximum Continuous Current (A)/60 s: 65ATotal Power Load: 1638WMax thrust: 2240gRecommended ESC: 70ARecommended Battery: 35C 6S 3500mAh (NOT included)Colour:blackMaterial:composite materialSize:70mmPackage Contents:1 x Fan PropellerOnly the above package content, other products are not included.Note: Light shooting 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.