Accessories & Parts -Two Way Brushless ESC Highlights Generic Two Way Brushless ESC Adopts high quality components, full power test. It can be used in cars, ships, underwater thrusters. 1:1 bi-directional power output, no brake, direct reverse, fast response, good maneuverability. No need to calibrate throttle stroke, plug and play. All products contain UBEC output. Specification: bidirectional 20A 2-4S Ubec 2A 5V Bidirectional 30A 2-4S Ubec 2A 5V Bidirectional 40a 2-6s Ubec 3a 5v Bidirectional 50a 2-6s Ubec 5A 5A 5V Bidirectional 60a 2-6s Ubec 5A 5V Bidirectional 80a 2- Size Chart: Size: 54x25x5mm/2.13x0.98x0.2inch Package Include: 1 Piece Bi-Directional ESC (2-pack) Note: Color may be different for different display, please understand Please allow 1-3mm error due to manual test, thanks