Protection and Peace of Mind This entry level Viper security system will wrap your vehicle in protection, with the most sophisticated electronic technologies available today, including the Stinger® DoubleGuard® shock sensor, Battery Back-Up Siren and Failsafe® Starter Kill Immobiliser - Now featuring 4-button remotes, Control Center, and XR+ receiver. This state-of-the-art system also offers in-demand convenience feature like keyless entry. Features: 3-channel security/keyless entry system Clone-Safe® Code-Hopping® Parking Light Flash Failsafe® Starter Kill Immobiliser Stinger® DoubleGuard® Shock Sensor Battery Back-Up Siren Bright Blue LED Status Indicator Dome Light Supervision - On-Board Relay Comfort Closure 2 Auxiliary Outputs Includes Two 4-button Transmitters Control Center w/ antenna, Valet switch and Status LED combined in one unit XR+ super-heterodyne receiver for range up to 450 metres