130dB USB Rechargeable Bicycle Motorcycle Electric Bell Horn Bicycle Alarm Handlebar Speaker Doorbell Anti-theft Horn Bike Accessories

Safety Function(3 Volume Levels-The bike horn adjustable volume, 80dB-130dB is loud enough to alert anyone or even people in a vehicle to your presence, ensure your safety during riding. Press button 2 to open the ring, press button 1 to increase the volume, press button 3 to decrease the volume). Perfect bicycle accessories for you or your kids. Anti-theft Alarming 3 Sensitivity Levels-If anyone touches or pushes the bike, the alarm will emit a rapid and continuous loud alarm. This bike alarm has 3 levels of sensitivity anti-theft function. press button 3 for three seconds to enter the pre-alarm state, press button 1 to close the anti-theft. USB Rechargeable Long Battery Life-The bike horn bell with a USB port to fit the power bank, charging plug, and laptop USB. After 1.5 hours fully charged, a 250mAh battery can be used for 20-30 days. Easy to Install Remove-Easily mounted and secured with the stretchable straps to fixed on the handle, install or release it from the bike handlebar w