Crimestopper RS4-G2 Remote Start Keyless Entry system with Two Four Button Transmitters 2 Extended Range 4-Button Transmitters With Protective Sliding Covers Keyless Entry and Trunk Pop 2-Way Data Port For Easier Bypass Module Hook-Up Turbo Timer Mode: Allows Engine To Remain Running 1 - 5 Minutes After Key Removal Turbo Timer Mode Can Be Set With Hand Brake Or Foot Brake 2 vehicle operation, programmable engine sensing modes: tachometer sense (RPM); tachless (voltage) or hybrid mode; turbo timer mode with hand brake activation; on-board relays for remote start and parking light flash Gas or diesel engine operation; programmable engine run times; anti-grind output Remote keyless entry with programmable double unlock pulse; horn honk confirmation for lock; unlock and remote start High current 10 amperes (+) or (-) parking light circuit; negative horn-honk output with programmable 15-40 millisecond pulse time OEM alarm arm and disarm outputs; factory keyless remote compatible allows user to start engine with factory key fob