I like two way alarms myself. There are programs that allow you to use your phone as a remote and receiver also but, nothing beats a good kill switch. you can find many types online. Always make your unique.
"1994" Impala, Eaton posi w/3.42, Borla headers, Suncoast forced ram hood, cooler bypass, N/O kit, Trans by Neal Transmissions in "Snellville GA", 9C1/F41 springs w/Monroe Severe Service shocks, MSD Ignitions parts and then some. :-)