Viper 473V 3-Button Replacement Transmitter for Select Viper Alarms The new Viper slim three-button remote offers DEI's exclusive Super Code Hopping™ protection against code grabbers, with 2/66 (18 quintillion) rolling codes. Use it as a replacement or add it to your system as a secondary remote. The three-button design keeps the system simple and easy to use without an LCD screen and a bunch of icons to complicate things. The green LED indicator flashes with the push of a button to let you know your command went through to the control module. General Features: Directed 473V mini 3-Button replacement remote for Viper alarms Lock/unlock button Siren button Aux button Green LED indicator Comes with a yellow start rubber button 1-year SonicElectronix.com warranty Compatibility List: 100 HF (ESP) / 410V 130 HV / 561V 150 ESP / 552V 160 XV / 562V 210 HV / 416V 211HV / 412V 300 HF / 430V PC 300 HF (ESP) / 429V 300+ HF / 432V 330V / 427V 350 HV / 426V 500 HF / 438V PC 500 HF (ESP) / 439V 550 HF / 553V 550 HF (ESP) / 553V 560 XV / 563V 571 XV / 572V 600 HF / 448V PC 600HF (ESP) / 449V 650 XV / 436V 671 XV / 437V 700 ESP / 379V 771 XV / 567V PC 800 SHF / 381V 800 SHF ESP / 381V 850XV / 446V 1000 / 3101V 1002 / 3102V 3000 / 3201V 3002 / 3202V 5000 / 3301V 5002 / 3302V 7900 / 5501V Warning: This product can expose you to chemicals known to the State of California to cause cancer. For more information, go to P65Warnings.ca.