The Avital 3100L is an entry-level 1-way vehicle security system designed to provide reliable anti-theft protection, keyless entry convenience, and basic vehicle security features at an affordable price point. Built by Directed Electronics, the 3100L includes dual-zone impact sensing, starter interrupt protection, and two 4-button remotes for everyday vehicle security. Designed for universal vehicle compatibility, the 3100L supports keyless entry, trunk release functionality, and auxiliary outputs for adding optional convenience features. The system includes Avital’s Nuisance Prevention Circuitry (NPC®) to help reduce false alarms while still providing strong protection against impacts and tampering. Features 1-way vehicle security system Keyless entry functionality Dual-zone impact sensor Fault-proof starter interrupt Nuisance Prevention Circuitry (NPC®) Warn-Away® impact warning Revenger® six-tone siren Two 4-button remotes included Auxiliary output functions Trunk release capability Parking light flash output Interior light illumination output Valet mode Panic alarm function Bitwriter programmable Starter kill protection Specifications System Type: 1-Way Security System Remote Quantity: 2 Included Sensor Type: Dual-Zone Impact Sensor Starter Interrupt: Yes Siren Included: Yes Keyless Entry: Yes Auxiliary Outputs: Yes Parking Light Flash: Selectable Positive/Negative Door Lock Control: Built-In Range: Up to approximately 1,500 feet (conditions vary) Included In The Box Control module (2) 4-button remotes Dual-stage impact sensor Revenger® siren LED status indicator Valet/program switch Main wiring harness Door lock harness Starter interrupt harness Installation guide Performance Highlights Affordable theft protection Good entry-level security system Reliable keyless entry functionality Starter disable protection Expandable auxiliary outputs Great option for older vehicles Installation Notes Professional installation recommended Additional relays/modules may be required depending on vehicle Compatible with many aftermarket door lock interfaces Supports multiple door lock types including: Positive trigger Negative trigger Reverse polarity Multiplex systems