Mengshen Bicycle Alarm, Wireless Anti-Theft Burglar Security Alarm for Bike Motorcycle Car Vehicles Door Window, 113db Super Loud and Waterproof (Remote Control Included)

Arm key: Press it once, host alarm will go into "Arm mode", 5s later, alarm will ring "Bi". Alarm will be triggered and ring if a vibration or shake is detected. Disarm key: Under "Arm mode", press this key, alarm will drop out "Arm mode" and return to "standby mode". Even if the host alarm is triggered, the alarm sound will stop at once when you press this key. Change key: Press this key to select ringtone, 6 voice are available. Ringtone key: alarm will ring the selected ringtone if you press this key, so it's easy to find your bicycle. Easy Installation Installation accessories: 2 * Mounting Strips,2 * Double-sided sticker There are also installation holes and interface on the back of the alarm, so it is very easy to install the alarm on your bicycle or motorcycle. Spare remote control How to pair? Long press the ringtone key of the previous remote control until hear sound "Bi", then press the arm or disarm key of the new remote control, th