Fangrui Product Details Water-proof And Dust-proof For All-weather Races; (note: Please Uninstall The Cooling Fan Before Using This Esc In Water; Clean And Dry It Soon After The Use For Avoiding The Connectors Get Rusty.) External Programming Port, Easy To Connect To The Program Card When Setting The Esc; Proportional Brake With 4 Steps Of Maximum Brake Force Adjustment And 8 Steps Of Drag Brake Force Adjustment; 9 Steps Of Acceleration(punch) Adjustment From Soft To Very Aggressive To Fit For Different Kinds Of Models, Tires And Tracks; Multiple Protections: Low Voltage Cut-off Protection / Over-heat Protection / Throttle Signal Loss Protection / Motor Lock-up Protection; One-button(the Set Button On The Esc) To Set The Esc, And Easy To Reset All Parameters To The Factory Default Settings; Compatible With The Device-the Portable Digital Led Program Card, Especially Convenient For Outdoor Use. Instuctions 1. Connect Bec Wires With The Receiver 2. Connect Motor Wires With Esc 3. Turn On The Mitter 4. Connect Battery Pack With