1.Made of solid and weather resistant steel and powder coated black surface for great durability.This winch solenoid contactor replacement come with shatterproof sealed and corrosion resistant case;2.It is designed to handle intermittent current loads of 250 amps for up to 10 seconds, requiring a 20-30 second cooling time between cycles,Wireless remote control kit 12V for winches up to 2000-5000lb.Easy to install and use, portable. 3.Built-in antenna design,Remote range up to about 164ft(50m).Visual indicator light shows remote operation.Allows operator to keep clear of dangerous rigging.Operator can monitor winching or lifting from different positions. 4.Weather-resistant receiver WATERPROOF design,Waterproof casing will protect the receiver from rain or coffee spill,Submerged in water operation is NOT recommended;5.12V 500A Winch Solenoid Relay Contactor for all 12Vsolenoid winches,including ATV's,UTV's,SUV's,Jeep's,4x4 vehicles, and 12V Trailer ect. For the Following Winches:For KFI: ST17, S2000, A2500, A3000, U4500, U4500w, SE25, SE35, SE45;For WARN: A2000, A2500, U2500, 1.5ci, 2.5ci, 2.5ce, 3.0ci, 3.0ce, 3.0s;For WARN: RT15, RT25, RT30, XT15, XT25, XT30;For WARN: RT40, XT40;For WARN: Vantage 2000-3000lbs, Provantage 2500-3500lbs;For WARN: Vantage 4000lbs, Provantage 4500lbs;For RAMSEY : ATV2500, ATV3000;For SUPERWINCH : Terra25, Terra35, Terra 45, LT2000, LT2500, LT300;For MILE MARKER : PE2.5, PE 3.5, VMX2.5, PE2000, PE3000 For MASTER LOCK :1500lbs #2955AT;For CYCLE COUNTRY : Work Power 1500 and 2500, Powermax 2500 and 3500;For BADLAND : 2000lb #68146;For BADLAND : 3000lb #68145, 5000lb #68144;For CHAMPION : C10013, C10014, C10018, 10020, 10024, 12053, 12503 13501(requires rollers), 14061;For CHAMPION : 14501, 14551, 14552, 40252 (4500lbs) (Requires purchase of correct Roller Fairlead Bracket KFI #100695);For CHAMPION : 10028, 10032, 12001, 12002, 13001, 20049, 20051, 20249, 30045, 30145 For CHAMPION: 14001 and 14061 For KEEPER CO