ROCKBROS 115dB Bike Alarm Vibration Motion Sensor Waterproof Motorcycle Alarm

LOUD & ADJUSTABLE VOLUME：The volume of the bike alarm up to 115dB, effectively repelling malicious thieves.The volume can be adjustable which meets your daily need.The bicycle alarm has 5 kinds of ringtones to set when it is not in the armed states.(Details follow the instructions) REMOTE CONTROL:Wireless control by remote, strong wireless range up to 262ft. The Sound even can penetrate through walls. Vehicle search function, easy to find your vehicles in parking lot.