Introduction: Convenient parking， relatively inexpensive price and easy operation makes motorcycle become one of the most convenient transportation means for us. It��s essential for you to equip a good motorcycle anti-theft security alarm. This is a two-way motorcycle alarm. When motorcycle encounters shaking， the siren will alarm and the remote control will vibrate and beep. Features: Emergency Alarm: Audio alarm and remote control vibration alarm monitor your motorcycle better and anti-hijacking.Anti-theft alarm kit with keyless remote control. Remote Engine Start: Keyless Entry Motorcycle locating: You can know the location of your motorcycle quickly through the alarm sound by pressing remote control.Remote control distance is up to about 150m.Compact and powerful 125db piezo siren.Smart alarm can automatically recognizes vibration frequency.Adjustable shock sensor and flashing lights warning.Equipped with 2 remote controls.100% Brand new and high quality.Specification: Material: ABS， Electronic Components Color: As shown in the picture Operating Voltage: 12V +/- 3V Fuse:15A Quiescent Current: <8.5mA Operating Frequency: 315MHz Remote Control Distance (Approx): <150mSiren Specifications: 125dbHost Size (Approx): 9��7.6��3.4 cm/3.54��3��1.34 inchPackage include: 1 �� Host 1 �� Siren 2 �� Remote Control (Batteries Included) 1 �� Sticker 1 �� Manual 1 �� Contact LineNotes: 1. The wiring diagram and contact line are reserved for motorcycle which do not have corresponding interface for the host.2. There are different remote control codes in the same kind of products which correspond to the relevant hosts respectively in order to enhance security.