Responder HD features Viper’s most advanced color remote, operating a one-mile range, 2-Way security and remote start system with an upgraded user interface, mini-USB charging port and patented menu wheel. No effort has been spared by the Viper development team to create the ultimate color keychain remote control, operating Viper’s top-of-the-line, one-mile range 2-Way vehicle security and remote start system.

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