Pyle PWD303 Add-on Remote Starter Engine Running Detection from Tach or Alternator Programmable Cranking Time 30Amp Relay Built In 12V Input with 30Amp Protection Fuse Ground Output to Bypass Factory Anti-Theft System Sold as : Unit Engine Running Detection from Tach or Alternator Programmable Cranking Time 30Amp Relay Built In 12V Input with 30Amp Protection Fuse Ground Output to Bypass Factory Anti-Theft System