automotive remote start and security system two 4-button 1-way remotes — up to 1/4-mile range remote start function is for fuel injected, diesel, and hybrid vehicles with automatic transmissions SuperCode remote encryption for added security Security Features arm, disarm, auxiliary, and panic Stinger DoubleGuard Shock Sensor — chirps when the vehicle's bumped and sets off the alarm with further violations Revenger 6-Tone Siren — 120 dB weatherproof siren Failsafe Starter Kill prevents hot-wiring anti-carjacking protection horn honk, dome light supervision, and parking light flash valet mode overrides alarm Other Features 2 auxiliary channels compatible with XpressKit DBALL2 vehicle interface module compatible with all Viper SmartStart smartphone modules control module: 4-1/8"W x 1-1/4"H x 3-3/4"D