Patented CODEBUMPTM randomly changes the code with each push of the RF remote transmitter button, rendering codegrabbers useless. Two 4-button, 3-channel "Icon" RF transmitters with patented "racing car" design. 18 quintillion codes (1.8 x 1019). Remote panic protection through the transmitter. The alarm can learn up to 5 separate transmitters, with codes stored in non-volatile EEPROM. 5 instant triggering zones. Patented 2-stage electromagnetic shock sensor. Two 30/40A heavy duty SPDT relays. Relay socket. On-board relay for flashing parking lights (Dual Power Protection). Outputs for starter disable (with starter sensing), door lock/unlock, and domelight supervision. 2 relays included for starter disable, domelight illumination, etc. Patented Failsafe Arming, Quick and Quiet Testing, 3-Step Disarm and Automatic Rearm, Phase VI Protection. Back-up battery siren (with Quiet ChirpTM), shock sensor, LED (indicates arm, disarm, valet, RF transmission), V.E.T. switch (valet, emergency & temporary disarm), 2 relays, 2 relay socketS and 2 pin switches included. CONVENIENCE FEATURES2nd and 3rd channel RF outputs. Trunk release, window roll-up, remote car start, etc., optional. May require interface. Silent arm/disarm through the transmitter. Anytime remote lock/unlock doors, even when driving or valet. Flashing lights serve as car locator and tamper indicator. 6 programmable functions.