Bullet Points:1. Reliable Security: Made of sturdy and good quality ABS and metal materials, this bike alarm is waterproof and durable, providing you with peace of mind wherever you park your bike.2. Secure and Handy: With this bike alarm, you can remotely control the anti-theft motion sensor that triggers a loud vibration alarm when someone tries to tamper with your bike. It's a reliable security system for your bicycle.3. Easy Installation : You can install this bike alarm in minutes, without any extra tools required. Just connect the positive and negative poles of the power supply to the corresponding wires, and attach the alarm to your bike frame. It's that easy!4. Extensive Application: This bike alarm is compatible with all 12V vehicles, including bikes, electric bikes, motorcycles, and electric scooters. It has a loud siren and a remote control for easy operation. 5.Perfect Gift : If you are looking for a thoughtful and practical gift for your families or friends who love biking, this bike alarm is a great choice. It is suitable for Thanksgiving Day, Christmas, or any other occasion. Descriptions: Protect your bike from theft with this powerful and reliable alarm. It is made of good quality ABS and metal materials that can withstand harsh weather and impact. It comes with a remote control that lets you activate or deactivate the alarm from a distance. It is also easy to install on any 12V vehicle, such as motorcycles, scooters, or cars. This bike alarm is a great gift for yourself or your loved ones this Christmas. Specification:1. Size: about 20x15x3cm|7.87x5.9x1.18 inches2. Material: ABSandelectronic componentsandmetal3.Working voltage: 9-15V4.Current consumption: le than 500mA5.Quiescent current: le than 3.5mA 6. Working frequency: 315-316MHz Packing List:bike anti-theft alarmx1pc Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.