This electronic safety system with remote controls can help your motorcycle stay away from thieves. With its high power loud alarm speaker, it can scare thieves and alert you in time. Such practical product, why not bring it home now? 1. High power alarm speaker, easily recognizable, compact and powerful piezoelectric siren 125dB, can scare Thieves and warn yourself over time. 2. Intelligent alarm that automatically recognizes the frequency of vibrations. 3. Remote armament/disarmament, remote transmitters. 4. High pressure resistance and water resistance. 5. Ultralow power consumption without affecting battery life. 6. Easy installation, connected to positive and negative electrodes. Material: plastic Input Voltage: 12V Frequency: 315 MHZ Quantity: 1 set Package weight: 192g Installation: Fits most motorcycles with a 12V battery. Instruction: 1. Lock key: to protect against theft, after three seconds the host will trigger a vibration alarm 2. Unlock the key: raise security 3. Doorbell key: look for the car, click the button, the speaker will sound, if the car in the parking lot, you will know the approximate location. can also call for help when you are in trouble 4. Lightning key, no function Wiring: Connected to motorcycle battery -12 V, red - positive, black - negative The package includes: 1 x High Power Siren (125dB) 1 x built-in shock sensor in the brain module 2 x Remote Controls 1 x Sticker Battery is not included.