[High Volume Electric Bicycle Horn]-- The maximum sound of the bicycle speaker reaches 120 decibels. When driving in a noisy environment, complex road conditions are exposed to collisions. This oversized horn sound is loud enough to effectively warn pedestrians and surrounding drivers to avoid traffic accidents.
[Anti-theft Alarm]-- Long press the left button (lock button) to enter the alarm mode. If someone touches or pushes the bicycle, the bicycle alarm will immediately emit a loud and continuous alarm sound, so that thieves dare not approach. Press the right button (unlock button) to exit the anti-theft mode.
[Long Wake-up Time]-- Electric bicycle horn alarm, the capacity of the integrated horn is 250mAh. It can be fully charged in 0.5 hours, can be reused 1000 to 1500 times, and works for 20 to 30 days. One charge can be used for a long time, you don't have to worry about running out of power next time you use it
[Waterproof IPX4 and USB Charging]-- The bicycle bell is waterproof and can be used on rainy days. The electric bicycle horn uses USB charging and can be charged in various ways, such as sockets, power banks, and laptops.
[Easy Installation]-- The doorbell does not need to be installed with complicated tools, just fix the silicone bicycle horn alarm strap with the handle, and the strap is elastic and durable. This doorbell is suitable for bicycle handlebars with a diameter of 22.2 to 31.8 mm, which can be applied to mountain bikes/electric scooters/racing bikes, etc.