Feature:1. Remote Controlled: This bike alarm comes equipped with a remote controller, allowing you to easily operate the alarm and protect your electric bike or motorcycle conveniently.2. Built in Rechargeable Battery: With its built in charging functionality, there's no need for frequent battery replacements, helping you save on costs, convenient and economical.3. Loud Alarm: Featuring 6 sound alarm akin to an alarm clock, this bike alarm produces a high volume of 110 to 115dB. Even when installed in an unnoticeable location, it serves to effectively deter thieves.4. Accurate Vibration Sensor: The vibration sensor can accurately detect a vehicle's movements and promptly issue an alarm, ensuring your bike's prompt and proactive guard.5. Compact and Portable Design: Easy to carry and use, suitable for various types of vehicles. The simple black shell can blend in with the environment to protect your property in the dark.6. Easy Installation: The vibration sensor alarm comes with double sided stickers for simple installation without the need for screws or wiring. The small body allows you to install it in any unnoticeable place.Specification:Item Type: Bike Alarm SystemMaterial: PCAlarm Battery: 500mAh Battery (Built in Battery included)Remote Control Battery Type: CR2032 Battery (Built in Battery included)Remote Control Battery Capacity: 300mAhWater Resistant Rating: IP55.Package List:1 x Alarm1 x Remote Control1 x Charging Cable2 x Stickers1 x User Manual