Description: This electronic security system with remote controls can help your motorbike keep away from thieves. With high power high decible alarm loudspeaker, it can scare the thieves and warn to you in time. Such a practical product, why not bring it home now? Features: 1. High power high decible alarm loudspeaker, compact and powerful 125db piezo sirenit, can scare the thieves and warn to you in time. 2. Smart alarm that automatically recognizes vibration frequency. 3. Remote arming/disarming, remote transmitters. 4. Resistance to high pressure and waterproof. 5. Ultralow power consumption without an effect on battery life. 6. Easy installation, connected to positive and negative electrodes. Specifications: Material: Plastic Feature: Alarm + Car Search + Anti-Cut Line Input Voltage: 12V Frequency: 315MHZ Size: As the picture show Quantity: 1 set Package Weight: 192g Fitment: Fit for most motorcycles with 12V battery. Instruction: 1. Lock key: to set guard against theft, after three seconds, the host will alarm by vibration 2. Unlock key: lift the security 3. Bell key:look for the car, click the button, the speaker will be sounded, if the car in the parking lot,you will know the approximate location. also can calling for help when you are in trouble 4. Lightning key, no function Wiring: Connected to the motorcycle battery -12V, red - positive, black - negative Package Included: 1 x High Power Siren (125dB) 1 x Brain Module System Built-in Shock Sensor 2 x Remote Controls 1 x Sticker Note: 1.Battery is not included. 2.This product does not have the double flash function to start flameout, please be sure to pay attention. .