Check the listing for details. Directed Install Essentials 556UW Remote Start Interface Module. Condition: Open box. Listed at 20.00 USD. Directed Install Essentials 556UW Remote Start Interface Module Directed 556UW UNIVERSAL REMOTE START INTERFACE W/ SELECTABLE KEY WINDINGS: Working ignition key required for operation FEATURES Requires use of a spare key for the vehicle. Replaces 555U, 555UW, 555B, 555BW Selectable key windings provide ability to tune kit to specific transponder frequency used by different manufacturers. Simple jumper selection to tune kit for European vehicles (60 windings) or domestic (18 windings) Tamper prevention circuit provides ability to open keysense circuit to prevent immobilizer module from reading two RFID's at once and going into tamper mode. Keysense trigger provides ability to shut off universal transpondear bypass as soon as drivers ignition key is put into cylinder for key take over. This prevents the vehicle from detecting the 2nd RFID of drivers key and causing a tamper code. Works with any aftermarket remote start system. Compatible with the factory anti-theft system Maintains the integrity of the factory anti-theft system Two, jumper selectable antenna ring settings. Compact design, easy to mount. No programming required Maintains the integrity of the factory anti-theft system