Convenient Essentials: The USB-charged wireless remote controller features multiple user-friendly buttons to operate your bicycle and signal vehicles behind you in various modes Unique Design: The bicycle alarm emits a loud sound and vibration, with its high decibel volume effectively deterring thieves. When the alarm is active, touching or tapping the frame triggers a 2-second warning. If touched or tapped again within 2-12 seconds, the unit will continuously sound a 30-second anti-theft alarm. Features adjustable sensitivity settings Simple for Operation: Easy installation. This kit includes a remote bicycle anti-theft alarm and dual mounts. Installation requires only securing the mounts and tightening them by rotation Durable and Rugged: Built with premium materials, the remote bicycle alarm is compact, durable, and resistant to high temperatures, water, and dust, ensuring reliable performance in harsh environments Battery Life: The remote features a built-in high-capacity lithium battery, rechargeable via USB, ensuring long-lasting power supply and energy efficiency