This product uses smart alarm automatically recognizes vibration frequency,high-decibel horn alarm and vibration alarm,you will hear the horn alarm, the direction lights will blink and the engine will be locked when someone forcely open the electric door lock or start in anti-theft alerting status. This electronic remote control security system can help your motorcycle away from thieves. Features: Fully sealed waterproof host machine, not afraid of the bad weather. High-decibel horn alarm and ibration alarm, you can hear the sound alarm within the places not too far away from you. You can select the appropriate vibration sensitivity state of the remote control. Convenient for your life,keyless driving and stop function. Forced open the electric door lock or start, horn alarm will be heard, direction lights will flash, engine will be locked in anti-theft alerting status. Anti robbery alarm function,supporting car parking yards car finding. Specifications: Material: ABS + Electronic components Color: Black Siren noise: 125dB Size: Host: Approx. 7 x 6.5 x 2.2cm/2.8 x 2.6 x 0.9in Siren: Approx. 5.5 x 3.0cm/2.2 x 1.2in Package Weight: 243g/8.6oz Package List: 1 x Host 1 x Siren 1 x Sticker 1 x User Manual 1 x Contact Line 2 x Remote Controllers Note: This product supports 12V battery motorcycle, do not support electric vehicles. .Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.