2 - 4 BUTTON REMOTES (VERY COMPACT) - 3 PROGRAMMABLE AUXILIARY CHANNELS SOUNDS SIREN + HORN TOGETHER ATV™ - Automatic Transmitter Verification ANTI-CARJACKING - DOOR + TRANSMITTER ACTIVATION 3 Different Anti-Carjacking Modes DOME LIGHT SUPERVISION ALSO: STARTER KILL W/RELAY + SOCKET; 3 MODES OF ANTI-CARJACKING; VALET MODE; SHOCK SENSOR W/PREWARNING; FLASHING LIGHT OUTPUT; KEYLESS ENTRY; 14 PROGRAMMABLE FEATURES; PANIC; CODED OVERRIDE; LOCK UPON TRIGGER RELAYS REQUIRED: DOOR LOCKS (2 RELAYS REQUIRED FOR POSITIVE TRIGGER SYSTEMS OR 5 WIRE REVERSAL SYSTEMS) NOT REQUIRED FOR NEGATIVE TRIGGER SYSTEM DOME LIGHTS Silent Arm/Disarm Flashing parking lights SIREN AND HORN OUTPUTS 6 Tone Siren TRANSMITTER BATTERY: 27A 12V ALKALINE X 1