Farfi Bicycle Bike Steal Lock Anti-theft Security Battery Powered Loud Alarm Tool

Specifications:Adopt micro-computer technique, have high-middle-lower sensitivity choose.Low power consumption to allow the battery a long life.Attach permanently to your bike without worrying about having to remove it in bad weather.Item Name: Bicycle AlarmMaterial: PlasticCurrent: Sound: >105dbWorking Temperature: -15°C – 75°CStorage Temperature: -40°C – 85°CHumidity: 5% – 98%Suitable for Tube Size: 3cm/1.18″ (Approx.)Battery: 1 x 6F22 9V Battery(Not Included)Features: Low Power Consumption, Easy Installation, Security AlarmNotes:Due to the light and screen setting difference, the item&
39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Bicycle Alarm2 x Screws1 x English Chinese User Manual