This Responder System from Viper is a high-tech, 2-way Security system. It will wrap your vehicle in protection, with the most sophisticated electronic technologies available today, including the Stinger® DoubleGuard® shock sensor, Revenger® six-tone siren and Failsafe® Starter Kill. This state-of-the-art system also offers in-demand convenience feature like keyless entry. The interactive display on your Responder remote confirms all commands – virtually instantly – with easy to understand icons and text. It alerts users to security system triggers by beeping or vibrating when out of audible range of the siren. Please refer to the technology section for more information about Responder and other technologies used in this security system.