Pyle Watch Dog Motorcycle Bike Vehicle Alarm Anti Theft Security System Lock with Easy Arming / Disarming, 2 ECU Control Transmitters, Anti-Hijack Engine Immobilization, High Power Speaker - PLMCWD15 HIGH POWERED SIREN: This Watch Dog Motorcycle Vehicle Alarm Security System by Pyle features a Compact High-Powered Piezo Siren that will surely attract attention and will force the thief to flee. EASY ARM AND DISARM: This alarm system comes with 2 remotes with Simple Touch Arm, Disarm, and Anti-theft Button Controls for easy operation. ANTI HIJACK FUNCTION: The anti-hijack Button Activates Engine Shut-Down for Safe and Reliable Engine Immobilization. Engine Will Not Start Once Alarm is Activated ADJUSTABLE SENSITIVITY: The product also features a 5 Level Impact Sensor adjustable sensitivity that you can adjust depending on your preference. WHAT'S IN THE BOX: The PLMCWD15 complete package includes Main Wiring Harness, (2) ECU Transmitters, Siren Speaker, and Water Resistant DC Power Ignition Module.