Crimestopper SP-402 Car Alarm with Remote Start, Keyless Entry and Engine Disable 2 Sleek 5-button Transmitters With Brushed-aluminum Trim & Titanium Silver Button Finish Up To 2,300ft Range Twin Data Ports To Accommodate Both Fortin & Ads Modules Smartphone Interface Port Audible & Visual Arm & Disarm With Intrusion Alert (2) new style, ultra sleek 5-button transmitters with brushed aluminum trim and titanium silver button finish Smartphone interface port; two data ports to accommodate modules; audible and visual arm and disarm with intrusion alert (2) vehicle operation: remotes from one of this car alarm can securely control your second vehicle with this car alarm installed (5) on-board relays for remote start; includes (4) auxiliary outputs; includes 25 Watts high-power single-tone siren and dual-stage shock sensor Can easily be switched from a 1-way to a 2-way system through optional purchase of antenna and 2-way remote pager