Features in short:

• 60% lower resistance than QC-2!!!Maximum power and minimized losses

• Improved 6.0V/3.5A BEC

• IceDrive Design

• AutoCell System! NiMH-LiPo automatic adaption

• 70% new software ! ADVANCED Digital with 4 adjustable modes

• Blue LED

• 100% waterproof & shock resistant

• Digital-Active Start Automatic

• Multi Protection System

• External Soldering Tabs

• Special “Stock Motor Map”