Mengshen Rechargeable Bike Alarm with Remote Control Wireless Anti-Theft Burglar Siren Motion Sensor 110 dB Waterproof Suitable for Bicycle Motorcycle Scooter Vehicle Trailer

Small Size & Multi-Purposes: 1.8 x 1.8 x 1.4 inch(46 x 46 x 35mm) Compact design, easy to install and hide. IP54 waterproof, works indoor and outdoor. Good anti-theft alarm for bicycle, motorcycle, scooter, car, electric bike, luggage, door, window and so on.
Wiederaufladbarer USB-Sicherheitsalarm: Kein Batteriewechsel mehr erforderlich. Ein eingebauter wiederaufladbarer 4.2V 700mAh Lithium Akku kann über ein USB-Kabel und ein DC 5V Netzteil aufgeladen werden. Eine vollständige Aufladung kann etwa 1 Monat dauern.
3 Ways Easy Installation: Come with full mounting accessories and tools. Host alarm can be easily installed by bracket mounting, zip tie mounting or double-sided tape mounting.
3 Level Volume & 7 Level Sensitivities: Once triggered, 110db loud alarm can be a great deterrence for thieves. Volume can be lowered if you think it is too loud. Sensitivity from high to low corresponds to touch, vibration and beat, you can set suitable level as actual need.
Wireless Burglar Alarm: Comes with one 4 buttons remote control, remote distance is about 20m(65ft). First button to activate alarm; second key to deactivate alarm; third key to select ringtones, third key to search vehicle.