Features 1. High power high decibel alarm loudspeaker, compact and powerful 125dB piezo siren, can deter thieves and alert you in time 2. Smart alarm that automatically recognizes vibration frequency 3. Remote arming/disarming with remote transmitters 4. Resistant to high pressure and waterproof design 5. Ultra-low power consumption without affecting battery life 6. Easy installation, connects to positive and negative terminals Specifications Material: Plastic Feature: Alarm, Car Search, Anti-Cut Line Input Voltage: 12V Frequency: 315MHz Size: As shown in picture Quantity: 1 set Package Weight: 192g Fitment: Compatible with most motorcycles equipped with a 12V battery Instructions 1. Lock key: Activates anti-theft mode; after three seconds, the unit will trigger alarm upon detecting vibration 2. Unlock key: Disables security mode 3. Bell key: Used to locate vehicle; pressing the button activates the speaker to help identify the approximate location. Can also be used to call for assistance in emergencies 4. Lightning key: No function Wiring Connect to motorcycle battery 12V system: red wire to positive terminal, black wire to negative terminal Package Included 1 x High Power Siren (125dB) 1 x Brain Module System with Built-in Shock Sensor 2 x Remote Controls 1 x Sticker Notes 1. Battery is not included 2. This product does not include a double flash function to start or stop the engine; please take note